Cross-platform Ios Application Development

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The smartphone app is changing everything. Mobile apps became necessary for a multitude of businesses from different industries. These apps are vital because they can operate efficiently on multiple devices. Using Cross-Platform Mobile Development, you can quickly build these solutions.

Native vs. cross-platform apps

There are two types of mobile apps - native and cross-platform. Native apps are programmed for specific devices, such as Android or iOS. They can take full advantage of the available hardware and software. The downside is that they're developed separately for every platform and usually take time and effort to create.

Cross-platform apps solve this problem because they use standard code across multiple platforms. To do that, the cross-platform native app development approach should be used. Cross-platform frameworks divide an application into individual modules so each module can be written in a separate language targeting different platforms. Then all modules together form one application interpreted by one virtual machine (VM). So what's so great about these cross-platform mobile app development options?

Unsure if cross-platform development is the right choice for your project?

Don't worry; you're not alone. Many mobile app developers face the same dilemma when choosing the right technology stack. But don't fret; we're here to help.

iTechArt has developed cross-platform apps with many different technologies. Therefore, we have a lot of experience in this area and are confident we can develop a cross-platform app that meets your needs.

Contact us today to discuss your project idea!

Native apps

They are developed for a specific platform only, like iOS or Android. They use the Framework provided by the OS. Each platform is different, so each app must be coded separately with native languages (Objective-C or Swift for iOS; Java for Android). Such an approach ensures maximum performance for these platforms, but it is costly due to high development costs and the time needed to create separate versions per platform.  

Cross-Platform Apps

These applications provide reusable source code that can be used across several platforms at once by employing any of the following frameworks: Apache Cordova, PhoneGap, Ionic Framework, Xamarin Forms, and React Native.

It should be noted that cross-platform apps are not a silver bullet for mobile app development, as this type of solution does not always provide the same level of performance compared to natively built applications. In addition, some features might be limited on each platform. However, despite these disadvantages, using a cross-platform approach can help you save time due to reusability and easy maintenance of the codebase across different OSes.

To learn more about Cross-Platform Mobile Development, we will consider the five most popular options: Apache Cordova, PhoneGap, Ionic Framework, Xamarin Forms, and React Native. All frameworks mentioned below aim at one thing – to make cross-platform app development more accessible and cheaper for you.

1) Apache Cordova

Apache Cordova is an open-source framework for building native mobile applications using HTML, CSS, and JavaScript (it also supports TypeScript). It is supported by significant development tools like Visual Studio, WebStorm, Android Studio, etc.

This technology allows you to reuse the code on your web or backend services responsible for business logic. On the other hand, the low performance of some features impedes the user experience with these apps.

2) PhoneGap / Adobe PhoneGap

Adobe PhoneGap is a proprietary version of Apache Cordova maintained by Adobe Systems. It offers more extended configuration options than its open-source competitor, making app development even more accessible. Moreover, it offers the possibility to access native APIs and features via plugins which you can find on Adobe PhoneGap Build.

There are lots of open-source projects for PhoneGap

3) Ionic Framework

Ionic Framework is a frontend SDK that allows you to build applications using web technologies like CSS, HTML5, and Sass. It has components like cards, popups, or side menus, but it provides integration with UI Bootstrap, which means developers can use Bootstrap components in their code. In addition, there is support for AngularJS 2 (the latest version of this Framework). Finally, many extensions and third-party tools make developing apps easier with Ionic: cloud storage services like Dropbox and OneDrive, push notifications, and even a backend (BaaS) service like Parse.

4) Xamarin Forms

Xamarin is a popular development environment for building mobile applications on both iOS and Android with C#. It uses the .NET Standard Library, the core library implementation for all .NET platforms, including .NET Core and Mono.

The main difference between Xamarin and other cross-platform technologies is that you can use standard UI controls and layouts to create user interfaces — for example, tabbed pages or Android's recycler views. That allows developers to build native apps and reuse code across different platforms by creating visual elements without platform-specific designs.

5) React Native

React Native is a JavaScript framework that allows you to build native mobile apps for iOS and Android. It also uses the same UI components for both systems (UIView, UITextField, etc.). React Native doesn't use web views to render the interface like other cross-platform technologies — all rendering takes place in fundamental native components. There's no need to install extra dependencies or write wrappers to access APIs on either platform, so developers can focus on app development instead of struggling with installation issues and learning how the new environment works.

How to choose the appropriate hybrid app framework?

We can recommend Apache Cordova or PhoneGap for apps with simple logic and less demanding graphics. However, if your project requires more complicated features, you should choose technologies that provide a better user experience in terms of performance, such as Ionic or React Native.

For projects that require an app for different operating systems, Xamarin Forms is the universal choice due to its standard API for iOS and Android.

Of course, cross-platform development involves some issues, but it doesn't mean they are unsolvable. Many developers have already found ways to solve them, including poor performance on older devices, lack of platform-specific UI components, etc... We hope this article will help you find whether cross-platform development technology is right for your project. At iTechArt, we can develop a cross-platform app with any aforementioned technologies (and many others, such as Xamarin). Just drop us a line, and let's discuss your idea.

What is cross-platform development?

The idea behind cross-platform development is to create code that will work on several platforms instead of building separate apps for each operating system. Using this technology, you can reuse most or even all of the code, saving up to 90% of app development time.

Many technologies are available for cross-platform development like PhoneGap/Cordova, Ionic Framework, Xamarin Forms, React Native, etc. They all use HTML5 as the primary coding language, so there's no need to learn new languages because web developers are already familiar with them. However, it takes some time to find out which technology better fits your needs - check out our review below!

What are the pros and cons of cross-platform development?

The main advantage is obvious — you only need to develop one app for different platforms. But, in addition, it saves time, energy, and money because there's no need to hire more developers.

If your application is mainly data-driven and business logic is not complicated, cross-platform development will be a perfect choice, even if some features are unavailable on specific platforms. For example, some developers use web technologies such as HTML5, JavaScript, or CSS3 that can easily create similar layouts for both iOS and Android apps when it comes to the user interface.

We've prepared a list of the pros and cons below so you can decide better which technology fits your project best:

Positive aspects of cross-platform development:

- The code can be reused for different platforms (and, therefore, saves time and money)

- There's no need to learn new languages or build separate teams for each platform (both development time and overall costs are reduced)

- Cross-platform apps look like native apps on all major platforms (iOS and Android). The UI design is very similar, making users feel more comfortable using the app.

Negative aspects of cross-platform development:

- Poor performance causes jitters or even malfunctions in some cases. You need to ensure that your app works well on older devices, which requires additional testing. Keep in mind that not everyone has the latest iOS/Android release - there are still many people who use old operating systems.

- Cross-platform apps lack some platform-specific features. For example, iOS apps cannot implement some parts of Material Design, which can be frustrating for users.

- If your project is not data-driven or contains a lot of business logic, you may face issues when trying to reuse most of the code because UI requirements are different on each platform.

What are the best cross-platform development technologies? There are many competing technologies for cross-platform app development, but we compiled a list of the top three most popular ones:

PhoneGap/Cordova

Phone Gap is an open-source mobile SDK based on web standards that allows you to build cross-platform mobile applications using HTML5, CSS3, and JavaScript languages. Adobe provides PhoneGap.

Ionic Framework

Ionic is one of the most popular frameworks for coding mobile apps using web technologies. It supports almost all major platforms, including iOS, Android, Windows Phone, etc. One of Ionic's main strengths is its huge community that provides plenty of open-source plugin packages (such as date pickers, image galleries, slideshows, etc.), which can significantly speed your development time. If you plan to build a simple app with linear UI with data-driven elements for CRUD operations (Create Read Update Delete), Ionic may be an excellent cross-platform development.

Xamarin Forms

Xamarin Forms is another powerful technology-based C# language like Xamarin, which allows you to use the same APIs for iOS, Android, and Windows Phone. It has many supporters in IT communities and its own GitHub organization.

Why is cross-platform development good for your business? The best thing about cross-platform technologies is that they're not bound to specific companies. HTML5, JavaScript, and CSS3 work on all major platforms, so you can quickly build one app with the same codebase for different devices. Moreover, once you've completed initial development costs (coding and designing), further updates that improve an app's functionality are cheaper because there's only one codebase to modify. That means no maintenance costs, unlike native apps created using Xcode or Android Studio! Unfortunately, there's always a catch. The main issue with cross-platform development is poor performance, making users unhappy. If you plan to develop a complex app that requires smooth UX and high responsiveness, you should consider native technologies instead of building your UI using web standards. We recommend test driving several cross-platform frameworks before making up your mind because each platform has its pros and cons that may not be suitable for every project type.

Pros and Cons of Cross-Platform Mobile Development

Pros:

- Less development time is needed. In addition, you can reuse most of the code, which is cost-effective if you need to build multiple apps for different platforms.

- No additional maintenance costs because there's one codebase for updating an app in the future.

Cons:

- Poor performance (jumpy UI, slow load times). If you plan to create a complex app that needs smooth functionality, native technologies may be better.

- Limited access to OS features (no exceptional platform capabilities like iBeacon)

How to choose the proper cross-platform Framework? There are many open-source frameworks, so it can be challenging to choose exactly what suites your project best. We recommend trying free trials before making final decisions about the technology stack. Here are some tips to help you make educated decisions before trying each platform.

- Native apps are always better than hybrids if you need the best performance. However, cross-platform technologies may not be fast enough for complex mobile applications that require heavy graphic rendering or complex data processing. - Familiarity with development tools is essential because some cross-platform frameworks like Xamarin allow you to code in C# (valid for Microsoft products). Others like Ionic use web languages (HTML5, CSS3), so programming knowledge of JavaScript and AngularJS frameworks would be beneficial.

- Learning curve should also be considered because it varies between different platforms. For example, Adobe PhoneGap requires HTML/CSS/JavaScript coding practices but visual design skills for customizing UI. On the other hand, some frameworks like Ionic and Xamarin require C# skills (although you can use C/C++ for iOS with Xamarin).

- Check if the cross-platform library is open source or has a free trial version available for download on GitHub. In addition, some technologies like Sencha and Appcelerator Titanium offer an extended version of the product not allowed in free trials.

Native Mobile Development Technologies

Native apps are coded in a specific programming language for a specific platform. This means that developers must learn different coding languages and strategies depending on their target OS. For example, iOS applications are written in Objective-C/Swift, while Android apps use Java. Native development gives you access to all hardware features of a device, including GPS, address book, camera, etc. In addition, native apps can be built using optimized tools offered by each platform (Xcode for iOS and Android Studio for Android).

Pros:

- Fast performance due to direct calls into operating system features

- Full access to all available hardware capabilities

Cons

It- Expensive because creating native UI requires learning different languages and app architecture styles - Several cross-platform technologies are available. Still, they're more suitable for simple apps that don't require intensive graphic processing or complex data processing.

- Updates may be time-consuming because you need to redeploy the app in the respective store (App Store, Google Play). Advantages of Hybrid Mobile Development Technologies

- Allows using multiple platforms at once with less work on each one - HTML5/CSS3/JavaScript is popular web technology, so the learning curve is lower

- Wide range of tools available, including Cordova, PhoneGap which allow for nearly full access to device features - Using frameworks like Ionic or Xamarin, you can create native interfaces while writing code in JavaScript

What is cross-programming?

This term refers to the ability to build apps for multiple platforms simultaneously using one shared code. Hybrid mobile app development is an approach that allows building native applications using standard web technologies like HTML5/CSS3/JavaScript, which run inside a browser. This way, cross-platform developers can create web application interfaces (UI) that behave according to user's interactions, thus creating smooth UI with animations, etc.

Pros:

- Common web technologies are accessible, so the learning curve is lower than for native languages - Allowing different building versions of a single app in various OSes at once

Cons:

- Only partial access to device features due to security restrictions of each platform

Hybrid app development has become more popular because it allows you to create apps using only one programming language. This is possible because HTML5/CSS3/JavaScript technologies can be easily compiled inside a native container, thus allowing you to access operating system features. The most popular frameworks for hybrid development are Kendo UI, Ionic, Xamarin, and Sencha Touch.

What is the best cross-platform mobile development?

There's no easy answer because mobile app development is a complex process. A lot depends on your business goals and project requirements. Developers must consider that some mobile devices have low-end hardware/OS, whereas others are more powerful or meet a specific standard (like iOS).

What's more, cross-platform development doesn't solve all problems of mobile fragmentation – you still need to support at least two different platforms (iOS and Android). For example, both technologies can allow creating smooth animations between views, but they're highly dependent on platform specifics like resolution, memory usage, etc. This means that technologies like HTML5/CSS3 can perform well in one environment but badly in another.

Is it possible to develop apps for iOS and Android simultaneously using only one codebase?

Yes, but this is possible only in theory. Native languages won't work because they don't support the same programming paradigms. The most popular technologies for cross-platform app development are Ionic and Xamarin, which allow the creation of apps for both platforms. If these aren't suitable for your project requirements, you may consider tools like React Native or Flutter from Google.

A native app requires a lot of time and effort to create an interface that's adapted to each platform's guidelines (iOS vs Android). A hybrid solution allows you to reuse web UI, but it doesn't give you access to all device features. This means that you can easily create a working app with standard features, but it will have limited device capabilities.

What is a hybrid mobile development app?

Hybrid apps use web technologies to create frontends that behave as native ones. They're built using frameworks like Ionic or Xamarin, which allow HTML5/CSS3 developers to access device features via plugins and custom components.

In this case, you don't need platform-specific languages because JavaScript can be used for both platforms (Android and iOS). However, even if you write code only once, the resulting app will run inside a browser with security restrictions according to the OS environment. So, for example, an application won't be allowed to read contacts on Android, but it may work on iOS devices with no limitations.

How does a hybrid mobile development app work?

The core of a cross-platform app is a code that runs inside the native container – it's responsible for user interaction and accessing device features. The most popular options include Xamarin (which allows you to use C#/VB) and Ionic (JavaScript). Hybrid apps consist of:

- A web browser that allows access to the operating system and JavaScript engine. It also provides access to a devise camera, GPS module, etc.

- WebView component behaves like an actual browser environment where web applications can be executed.

What is the difference between compatibility and fragmentation issues in mobile devices?

Compatibility problems appear when you need to support different versions of OSes, while fragmentation is a more general term that describes the variety of devices and their capabilities.

For example, some mobile phones can perform complex operations (like GPS) while others have limited functionality. Another example of fragmentation is the usage of different screen sizes and resolutions. A compatibility problem can be resolved by making an app work only with the most popular versions, but this won't solve all your problems because you'll need to support an actual range of mobile devices (not just one or two).

What are the advantages and disadvantages of hybrid mobile development?

Advantages:

- A single codebase for both Android and iOS apps;

- Low costs because there's no need for platform-specific skills;

- Easy to learn because web technologies are commonly used;

- Easier for small teams (every team member can easily manage the same codebase);

- Cross-platform support (a single codebase doesn't need any changes on other platforms).

Disadvantages:

- Limited access to device features. For example, a hybrid app won't be able to display notifications or use Bluetooth connections;

- Heavy apps because they have to load a browser engine and an app wrapper inside it;

- Low performance because of security restrictions. iOS applications have more possibilities, but JavaScript apps still contain heavy elements that may slow them down. In most cases, this means poor battery life and long loading times, which will hurt users' overall impression;

It- Difficult to create custom UIs and animations. HTML5/CSS3 is an excellent solution for creating robust web apps, but it doesn't support all of the features provided by native platforms. For example, there's no way to create an iOS-like navigation menu in pure JavaScript;

- No access to deep system integration. Platform capabilities depend on device APIs, which means that you'll need to use specific plugins for different tasks (e.g., GPS). It also affects performance and battery life because some operations will require additional computing power or radio modules, which drain the battery quickly;

- Poor realization time – windows mobile app engineering may take more time than expected due to limitations and miscellaneous errors caused by using third-party tools;

- Lack of support for offline usage. Hybrid apps are primarily web applications, so there's no way to continue working without an Internet connection. What is more, even if your app can manage offline tasks (like Google Docs), it will sync data with a server every time you get back online;

Problems with updates may sound strange, but native apps can be updated without users' participation. In contrast, hybrid mobile development requires an actual update via an external store (Google Play or App Store). If you want to make changes on your own, you'll need additional skills and time to edit the codebase manually;

- Compatibility problems depend on OS versions. A new version of iOS or Android may not be fully compatible with old apps;

- Poor scalability – you can't expect hybrid mobile apps to run on future platforms and devices. It's possible, but you'll lose the main benefit of using such a solution (building an app for different platforms). You may still use web technologies that will work across future versions, but it doesn't solve compatibility issues.

What are the disadvantages of native mobile development?

It- Expensive because there's no free codebase;

- Fragmentation problems – every platform has its own set of features, so you'll need to learn everything from scratch and use a specific set of tools for each one;

- Time needed to build high-performance applications – iOS requires more time because developers have less access to the system;

- Limited support for web technologies. Native apps have better interaction with the user, and they use the full power of a device, but it's hard to make them as good as a website or hybrid solution;

- Heavy applications – native mobile apps tend to be heavy because they include plenty of code written in different programming languages (JavaScript, C++, Objective-C/Swift);

- Problems with updates – you'll need updates that will interact with people who have already installed your app. In most cases, users don't agree to update immediately, which means that you'll end up losing some users;

- Difficult scalability – new platforms require additional work from developers, which means more time and money spent on development. It also means worse performance and stability, which will lead to high support costs.

What are the advantages of HTML5?

- The most significant benefit is the ability to create cross-platform apps with one codebase that runs on desktops, iOS, Android, Windows Phone, or Blackberry;

- Less expensive than native development because there's no need to build additional tools for Apple's and Google's stores;  it can be published in an external marketplace without any additional fees (like Amazon App Store);

- Easy UI merging with desktop applications;

- Great animation/design possibilities using CSS3;

- Powerful web technologies including JavaSript, HTML5, and CSS3 allow the creation of powerful apps like many desktop ones;

- Autonomous updates;

- Loosely coupled architecture that scales well and supports offline usage;

- Good support for mobile browsers ("mobile-first" approach);

- Ability to work on different devices (desktops, tablets, smartphones).

What are the drawbacks of HTML5?

The most common disadvantage of this cross-platform solution is that it's not as user-friendly and smooth as native apps. If you want to build a high-performance app with good UX, you'll need more time and money than when building a hybrid or native one;

Web technologies can be used only for building web and mobile applications. It means that most HTML5 tools don't support building desktop ones, so you can use such an approach only for creating cross-platform solutions;

It requires additional knowledge of web programming languages (HTML, CSS), which is limited compared to native development, where developers have ready code libraries for working on iOS and Android. Using web technologies may take longer than using something like C++. On the other hand, there are plenty of highly-skilled web developers, so you don't need to spend much money on training.

Many people think that HTML5 apps are less user-friendly and stable than native ones because it's a relatively new way of building cross-platform applications. They can be slower because there's no access to low-level features like Android or iOS. That's why using this technology is more about design than performance which can cause problems for some users;

HTML5 isn't the perfect solution if you want to create 3D games with rich graphics. It requires additional resources, time, and effort, so many game developers choose other options.

What are the disadvantages of hybrid mobile development?    - You'll lose compatibility with future versions of iOS and Android, which can cause you to lose some users;

- You'll need additional tools because native apps are built with different languages (JavaScript, Objective-C, C++);

- Poor performance due to the use of web technologies;

- Security issues connected with updating mean that you may lose some users because they don't want to update the app immediately after the release. What is an app? "An application or software program is a computer program designed to help computer users perform specific tasks." ( source ) As you can see, this definition doesn't say anything about operating systems like iOS, Android, Windows Phone, or Blackberry. So what's an app for our purposes? It's any piece of code that allows users to get information, perform tasks, or entertain themselves on mobile devices. That's why an app can be a game for iOS and Android and a business solution designed for Blackberry and Windows Phone.

What is the difference between native apps and hybrid ones? While the former is developed using different programming languages (Objective-C, Swift, Java) that allow executing particular instructions faster than through web technologies - HTML5, CSS3;  the latter use JavaScript, which means that it has some problems with performance especially if you're planning to build something complex like 3D games. It's possible because web technologies aren't everywhere deep-optimized like Objective-C or Java;  HTML5 doesn't support low-level features for using hardware which also affects the performance of hybrid apps.

There's another difference:

- Native apps can be used on different devices but don't run everywhere;  for example, an iOS app won't work on Android and vice versa, so you'll need additional tools to build a cross-platform solution no matter what technology you choose.

- Hybrid apps can be installed onto several operating systems, so you'll need only one version of the codebase to reach as many users as possible;  it makes it cheaper than developing iOS and Android versions from scratch. Of course, this approach works fine if we're talking about small business solutions or games with simple graphics, but it may take more time and money when you want to reach as many platforms as possible. So when should you choose hybrid solutions? - You don't need the best performance;  you just need a small set of features built for one OS like Blackberry or Windows Phone;  it will save time and money (time if you won't use other tools, money because you'll build everything with JavaScript). - You're okay with HTML5 limitations that don't require access to low-level hardware;  a good example is Facebook since it has some problems on iOS and isn't available at all on Android (and no one cares ).

What do I mean by "native" development? It's an approach where developers use programming languages supported by particular OSes, so an app built with Java won't be available to run on an iOS device. It almost means that you should rebuild your app for every OS if you plan to reach as many users as possible. What are the primary purposes of development? - Building business tools for different companies;  you'll need different apps only if you want to create different processes or use platform-specific features like Apple Pay which Android doesn't support;  it makes native development a good choice here because it will allow using other valuable features like double-click home button for faster task switching, multitasking menu, and so on (iOS) or widgets (Android). - Developing games with 3D graphics;  games require more resources than essential business solutions.

Top cross-platform app frameworks

1. React Native

Developing apps with JavaScript may become the standard in the future, but it has serious disadvantages even if we talk about hybrid solutions. However, there are alternatives like React Native, which allow building native-like apps using only one codebase. It isn't new because Phonegap and other frameworks also used this approach. Still, now it's supported by Facebook, so you can expect a stable performance that won't be affected by HTML5 limitations or CPU/GPU power because everything will be executed on the device instead of sending data to a web server then returning the transformed result (can you say "Hello World"?).

Even though React Native uses JS for developing cross-platform solutions, its primary purpose is to speed up development time; it's essential for companies that need to release apps for several operating systems (two or three) because it will save time and money. It can be used in many scenarios like games, business tools, or social media apps;  for example, Facebook has released its Instagram client built with React Native, which works fine on iOS and Android.

This Framework is relatively new (most critics appear during the first days after its official release) but offers great potential because it allows for building real native-like applications, which means that you can expect better performance than hybrid solutions. However, you should also note some limitations when using this technology, so choose wisely before investing time/money into it, even though you'll get rid of other problems related to one OS.

2. Ionic

Ionic is a popular framework among web and mobile developers who want to create cross-platform apps without any difficulties; it uses AngularJS, which means that you can also add resources like third-party components (for example, Google Maps or Bootstrap). It's relatively easy to start because there are plenty of tutorials available on the internet, plus everything will be more accessible if you've already built some single-page applications using AngularJS, so you'll see how this Framework works in less than an hour.

Unfortunately, Ionic isn't entirely free for commercial use, so even though it demonstrates excellent performance with simple apps, more complex projects may not suit it. A basic version is currently offered for free, but they're planning to charge for Pro support which is crucial in large-scale apps because it will allow the creation of applications with more features.

3. PhoneGap

Phonegap belongs to the most popular mobile development frameworks that offer excellent performance and stable work on multiple devices; it allows building real native applications using HTML5/CSS/JS codebase or Apache Cordova - a cross-platform shell that can be used to access available hardware components like camera, file storage systems, etc. However, it has one significant disadvantage because you won't get better results than Cordova when working with UI elements, while some functionality may even be limited compared to traditional solutions. It's also worth noting that Adobe isn't updating this Framework anymore, so you should only choose it if you're planning simple projects and don't need access to some beneficial hardware components (calendar, file explorer, etc.).

4. Titanium Mobile

Titanium is a relatively old framework that has been used for making business tools or games; it doesn't use JavaScript but is similar to Phonegap when talking about UI elements because they both rely on HTML5. However, there are many pros like strong security and better performance than Cordova, so that you can expect excellent results without any difficulties during the development process. It's worth noting that this technology isn't accessible, and we're not talking about $20-$50 licenses but about $600 per year, which makes it compatible only with big budgets.    

5. Xamarin

Xamarin is an important technology that has been developed for several years by Microsoft; it allows building real native apps using C# so that you can expect excellent performance on all target devices. This Framework is used by big companies like Amazon, eBay, Freelancer, etc. Suppose your budget doesn't allow paying hundreds of dollars for Titanium or other aforementioned tools. In that case, this solution may be the best choice because it's cheap despite offering great functionality. Also, Xamarin offers advanced debugging options while providing access to different hardware components, which means you'll get the highest optimization level without any problems.

6. Ivolgamus Svar Framework

Svar Framework is a relatively new cross-platform development tool released by our company in 2017 and allows the creation of real native apps using only HTML5/CSS without any difficulties. Furthermore, they use their compilers that work similarly to traditional languages, so you won't have problems with coding or performance because everything will be easier than with JavaScript frameworks like Cordova.

At the moment, Svar Framework includes 14 products that can be used together with each other to create complex apps; they're also constantly improving functionalities and adding new options, so if you already know C#, then this tool may suit you perfectly because of its stability and speed even though there are no tutorials available at the moment (only one is coming soon).

7. Xojo

Xojo is an easy-to-use framework that has been used for making various types of apps since 2001, including games, business solutions, etc. Hence, it's worth mentioning that more than 1 million developers are using this technology because it provides outstanding performance on all devices and allows coding similar to Visual Basic or other popular languages. Xojo is only suitable for simple projects with basic requirements but can also be combined with other technologies if your budget allows it. Furthermore, you can use the existing codebase from older projects when building new ones because many online tutorials are available.

8. Framework 7

Framework 7 is a relatively young framework focused entirely on UI development; however, if you choose this tool, you won't have any problems when it comes to performance because apps created with this technology are compatible with Android, iOS, and Windows Phone, etc. It's worth noting that Framework 7 is the only tool in our list based entirely on JavaScript, which doesn't mean that you can use it if you don't know this language. Still, many online tutorials are available for different categories, including video courses by Chris Graham (a co-creator of the Framework). Everything should be much easier than you might think at first.

9. Appcelerator Titanium

Appcelerator Titanium is another great cross-platform solution mainly included in lists like this because it allows building both simple and complex apps using JavaScript; however, even though this technology isn't accessible (prices start at 99$ per month), developers suggest using this Framework for making business solutions including games and apps with unique requirements. They also promise outstanding performance on all devices, so if you're a beginner, you'll find it much more accessible to begin with, Titanium, because of the excellent documentation, tutorials, and other helpful information available on the official website.

10. Cordova + Ionic Framework

Cordova is one of the most popular cross-platform technologies thanks to its power and flexibility together with a vast community focused entirely on building new plugins; however, there are still some limitations when it comes to complex projects, so you need to use this Framework together with another tool like Ionic which is an excellent library providing custom mobile components for frontend development (Framework itself is not based on AngularJS).

11. Appcelerator Alloy

As you can guess from the name, Alloy is a combination of both JavaScript and native languages, so your apps are going to be built using elements provided by this Framework with no limitations when it comes to complexity; there are several versions available - Alloy Enterprise is an excellent choice for creating custom mobile business applications but requires significant budgets. Another good thing about this tool is that they're constantly improving functionalities according to users' feedback, so you can let their developers know if you have any wishes.

12. Onsen UI

Onsen UI is another excellent framework allowing building cross-platform apps using HTML5/CSS3 without difficulties because Japanese developers created everything so that you won't have any problems with app localization. Onsen UI is not as popular as Ionic, so that you won't find many tutorials and examples. However, it's still worth trying, thanks to the clean and straightforward codebase with essential custom elements every developer should know.

13. Monaca

Monaca is a good solution for beginners because they offer free services, including Cloud IDE, which allows building, running, and debugging apps on various devices without downloading/installing additional tools; that means you can deploy your apps in just a few seconds - this tool also has an integrated marketplace with apps created by other users who decided to share their work for free. There are some limitations in performance if we compare this Framework to the previous ones included in our list. Still, there are lots of tutorials and other guides available, so you should be able to solve any problem without difficulties, even if you're new to mobile app development.

14. Appery.io

Appery is an online platform with lots of interactive lessons based on real projects as well as some basic features necessary for building apps; this tool allows connecting your existing databases or creating a new one from scratch along with some custom tools like push notifications, geolocation, and others which you'll need during the process - they also have an open marketplace where you can find plugins and libraries created by other users and published for free use (just like on Monaca). I would recommend using this web-based solution for learning purposes because it's much easier than setting up local servers, but there are some limitations in project complexity.

15. Quasar Framework

A potent tool based on VueJS allows customizing almost everything - you can create apps not only for Android/iOS but connect them with other technologies like Electron, Phonegap, Meteor, or React Native. Quasar is a pretty new framework, so it's still in the beta version released last year. Still, even now, you'll find lots of tutorials and guides available to help you learn this technology relatively quickly because documentation is one of the best I've ever seen during my experience working with various tools - just don't forget that this is an open-source project without any official support from developers.

16. Xam + Ionic Framework

Xam is an open-source solution created by the .NET community and released in 2015; it allows building apps for iOS/Android and Windows 10, UWP (Universal Windows Platform), and even Xbox. Ionic is one of the most popular tools for creating hybrid mobile apps using HTML5/CSS3 or Javascript and AngularJS, which provides much more functionalities than other frameworks - you can also create custom website designs because this Framework has a pretty well-documented structure.

17. Monocross

Monocross was developed and released by Samsung, so you know what to expect from their platform: modern web components combined with native features like S-Pen support, Samsung Cloud integration, Bixby voice assistant, etc. This tool allows the development of apps for Android/iOS devices using Javascript and Java/C#, which is rare for cross-platform development tools. Documentation and tutorials are available, so you won't have any problems learning this Framework, especially if you're experienced in other technologies, including Microsoft ones.

18. Codenameone

Codenameone is an open-source tool released last year by Ephox Corp; it uses standard HTML5/CSS3 language to create mobile apps with native components like push notifications, geolocation, or app localization. This platform has one of the cleanest codebases I've ever worked with, so don't be afraid - it will take some time to learn how everything works together. Still, you'll be able to create apps quickly and with almost no errors (I didn't find any issues in my projects). Keep in mind that this is one of the least well-known solutions because it isn't well-documented, and not too many developers recommend using it; there's also a commercial version (paid) along with some addons/plugins created by other users.

19. Future Ad Pro For Mobile

Future Ad Pro for Mobile is a web platform that uses HTML5 language to create cross-platform mobile apps; they support Android and iOS devices, including iPhones and iPads, WP8 smartphones, etc. This tool provides a pretty clean codebase, so you shouldn't have problems understanding how everything works together - I did find some minor bugs during my tests. Still, developers are constantly working on new releases, so it shouldn't be a problem in the future. Documentation is pretty good because you'll find information about features, architecture, getting started guides, etc.

20. News Feed for Mobile

News Feed for Mobile (completely free) is an open-source solution created by Matt Kruse which allows customizing almost everything: from iOS/Android app designs to backend communication using technologies like PHP or Ruby along with MySQL - this web platform supports all popular databases and communication protocols making integrations easy and fun to work with. I would recommend this platform mainly because of its simplicity and clean codebase; there's also a paid version (with more features) available if you want to use it for commercial projects.

21. React Mobile

React Mobile is an open-source solution created by Facebook for building cross-platform apps - you can find tons of information about this platform on social media, so keep in mind that features might be outdated at some point. This web tool uses standard HTML5/CSS3 language to create iOS/Android mobile apps during development; Javascript has been replaced with native components allowing faster performance and making the codebase smaller. There are no advanced options available, but documentation is pretty good if you're already familiar with Facebook's tools like React JS or Node JS - I would recommend using this Framework only if you need it (or know how to search for information online).

22. Telerik AppBuilder

Telerik AppBuilder is a commercial web platform for building iOS/Android apps using HTML5/CSS3 and Javascript. It uses Kendo UI components to ensure the highest level of customization possible - you can create everything from simple games to complex business solutions, including cloud integration, geolocation features, push notifications, advanced styling/theming options, etc. If you're already familiar with Telerik's design tools, this solution will be easy to learn; keep in mind that documentation isn't available online, so it'll take some time to understand how everything works together. Telerik offers different pricing plans starting at $29 per month (single website), so don't forget about additional costs if you want to use this tool commercially.

23. Tiggzi

Tiggzi is a web-based platform for creating cross-platform iOS/Android apps using HTML5 language. This solution supports iOS 8+, Android 4.1+, Windows Phone 7+, and Blackberry 10 devices allowing you to create almost every type of app quickly and easily. It uses a responsive layout, so your users should be able to use your apps on any device without problems; backend communication can be done through languages like PHP, Ruby or Java, so integrations are easy to complete. Documentation is pretty good because you'll find information about features, getting started guides, platform integration guides, etc. Remember that this tool doesn't support building Windows Store apps, which might be necessary for some developers.

24. Appery.io

Appery.io (completely free) is a cloud-based solution created by Appery Inc; it allows customizing almost everything, including project creation, design/theming options, backend servers using technologies like ASP.NET, PHP or Node JS along with Mongo DB or MySQL databases - I would recommend this platform because the list of features available for app development is pretty long (I can't mention them all here); there's also a more advanced tool named Appery Box which allows further customization of your apps during development. Documentation is excellent if you're already familiar with similar platforms, so keep in mind that this web tool might be difficult to learn without some training.

25. Mobile Angular UI

Mobile Angular UI  is an open-source solution created by UI-On for building cross-platform apps - you can find tons of information on social media, so keep in mind that features might be outdated at some point. This web tool uses HTML5/CSS3 languages to allow app development during development; Javascript has been replaced with Angular JS, Bootstrap 4 & jQuery Mobile scripts, which are faster and easier to use than native languages. There's also a paid version available if the free solution doesn't work for your needs.

26. Apache Cordova

Apache Cordova is an open-source framework created by The Apache Foundation a few years ago; it allows the creation of iOS/Android mobile applications using JavaScript language along with CSS, HTML5, or Adobe PhoneGap extensions - this platform is mainly used because it offers the best support for custom plugins which extend native functionality. Documentation is pretty good because you can find everything about getting started guides, plugins available for app development, code examples, etc. Remember that this solution isn't supported by Adobe anymore, so it's not recommended to use after 2019/2020.

27. Ionic Framework

Ionic Framework is a commercial framework developed by Max Lynch and Ben Sperry in 2013; it uses HTML5 language along with Javascript/Cordova to allow cross-platform app development - this tool has been designed especially for developers who are already familiar with Angular JS based frameworks or jQuery Mobile design patterns; Ionic allows creating apps for iOS/Android devices using CSS stylesheets for widgets/pages, Javascript functions or Angular JS extensions. Documentation is good if you're already familiar with similar solutions, so I'd recommend keeping in mind that this Framework might be complex to learn without some training.

28. AppGyver

AppGyver is a cloud-based platform created by the company named KPRL, which allows the creation of iOS/Android apps using web languages like HTML5, CSS3, and Javascript - this tool doesn't require installation since all development is done through cloud servers; make sure to check pricing plans because they start at $99 per month (per project) which might affect your business decisions. Features are essential here because you'll find tons of them from backend integration, native notifications, offline mode support, etc.; I couldn't find any information about plugins, so contact the company if you have some particular needs.

29. AppMakr

AppMakr is a cloud-based web tool for cross-platform mobile apps development using HTML5, CSS3, and Javascript - I recommend this platform since it's accessible when creating an app (you'll be charged only when your app is published in one of the app stores); the best feature here is that you can choose between different templates which are pre-designed code examples for everyday use cases like news feed, eCommerce site, etc. Documentation is excellent here, so keep in mind that there's no need to hire developers, which will increase expenses; check tutorials/webinars if you have any particular needs.

30. AppGyver Hero

AppGyver Hero is a cloud-based platform created by the same company. Still, this one allows creating native iOS/Android apps using web languages without any limitations - this tool has been designed specifically for non-developers, so anyone can create an app since there's no need to write code; it doesn't require installation because all development is done through cloud servers which are available 24/7. Like the previous solution, check pricing plans because they start at $99 per month (per project), which might affect your business decisions. Features are essential here because you'll find tons of them from backend integration, custom home screen design, offline mode support, etc. Documentation is pretty good here, but check tutorials/webinars if you have some particular needs.

31. Appery

Appery is another cloud-based mobile app builder which can create iOS/Android apps using HTML5, CSS3, Javascript - the code editing feature available through the web browser might be a bit complex since it requires an extension to use your computer's keyboard; developers are allowed to import source code from any existing platform (XCode project file for iOS or Android Studio for Android). Introductory pricing starts at $99 per month, including 100MB of storage space and 1GB of data transfer, so consider that the features depend on the package you'll choose. Remember about backend integration if needed. Documentation is excellent here, so keep in mind that there's no need to hire developers, which will increase expenses; check tutorials/webinars if you have any particular needs.

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