Comparing Mobile Development Platforms in 2021


Since mobile phones are becoming increasingly popular, the rise of various mobile technologies is still increasing.

In 2021, there will be two methods for developing mobile apps: traditional native app development (using Swift for iOS apps and Kotlin for Android apps) and cross-platform development (two leading technologies used in this approach are Flutter and React Native). So, which is the better option? In this post, I’ll try to address and answer that question.

Native vs Flutter

Development speed and cost

Flutter allows you to utilize a single code for multiple environments, whereas native requires you to have different code for each platform. This is the first item that speeds up Flutter development. Flutter also has a Hot Reload feature that allows you to display code changes without restarting the app (which speeds up development time).

When you wish to add your app to a new platform, you can do it quickly using Flutter by making only a few changes to existing code, but with a native app, you will need to create a new project dedicated to the new platform.

Based on the previous arguments, you can easily conclude that a Flutter app is less expensive than a native app and allows rapid iteration.

Community and Documentation

Flutter is significantly newer than native technologies. Thus it is not as mature or stable, but it has a robust community, Google support, and excellent documentation.

However, remember that getting an experienced Flutter developer is more complicated than finding a native one.

App’s User Interface (UI)

The presentation layer is environment-specific in native programming, but Flutter offers all platforms the same design and behaviour. In addition, because of the informative UI and the elimination of all previous dependencies, Flutter designs may be easier to implement, thereby speeding up the development process.

Flutter animations may have significantly inferior performance, but this is barely visible in most circumstances, and they are also easier to develop than in native technologies.

It is challenging to state which technology is superior for creating stunning mobile apps because it is dependent on your design requirements. For example, Flutter can undoubtedly accomplish it faster (if you want a consistent look across all platforms). Still, when your design needs to be platform-specific, native technologies may be a better option.

Native features

According to the most recent mobile technology developments, apps require solutions to make life easier (and therefore increasingly need unique solutions such as artificial intelligence, virtual reality, etc.). Flutter does not have all native functions, and when native ones are upgraded, Flutter must also be updated- therefore, Native is better than Flutter in this scenario.

Application size

Flutter apps are more abundant than native ones (as seen in the app “Hello World”), although there are specific ways to reduce the size of a Flutter app (such as the use of unique tags such as –split-debug-info, which is discussed further here).

Thread management

Flutter is single-threaded and runs an event loop, so we don’t have to bother about thread management or spawning background threads.


Flutter widgets cover all key platform differences such as scrolling, navigation, icons, and fonts. As a result, flutter app performance is excellent (it is possible to attain 60 FPS- you can learn about that in Flutter documentation). Even though Flutter code is compiled to native ARM machine code using Dart’s native compilers, native apps perform somewhat better due to lower memory use and faster execution of compute-intensive operations (but this will be noticeable especially in tests environment, in real mobile applications, the performance will be similar).


If you are a developer (or want to be one), you may be seeking the simplest language to learn. I’m confident that there are many educational resources available for all of these technologies and that developers from all of these technologies are in high demand on the market right now due to the ever-increasing amount of mobile consumers. Flutter is an excellent place to start because you can see your progress in a short period. It can also be helpful technology when developing your app because it can let you validate your idea on your own at a lower cost.

React Native vs Flutter

The Pace of Development

The development time should be comparable, but because React Native employs native elements and a bridge, additional optimization for each platform may be required, which is why React Native development may take longer.

Community and Documentation

React Native has a large and established community, whereas the Flutter community is rapidly rising. Flutter also includes excellent documentation (a touch better than React Native) and excellent Google support. Both outcomes (neutral and platform-specific) are possible on both systems, although they may necessitate a significant amount of effort. When comparing Flutter to native technologies, it’s difficult to declare which is superior because it relies on your design objectives.

Web and desktop development

Both platforms enable us to reuse code in web and desktop development. Flutter allows you to construct web projects considerably faster due to the use of the same codebase, but when performance on the web is critical, you should consider React Native.

Static vs dynamic programming

Because React Native is based on JavaScript, a dynamic language, but Flutter, which is based on Dart, is static and dynamic. What does that mean? Many everyday programming activities are executed at runtime in dynamic languages, whereas they are executed during compilation in static programming languages.

Because JS is also a dynamically typed language and Dart is a statically typed language, Flutter ensures that an expression of one type does not yield another type (what can happen in dynamically programming language or after defining the variable as dynamic- what is possible in Flutter).


Flutter outperforms React Native in terms of performance because it is built to ARM or x86 native libraries. However, because React Native does not compile the code to the native layer (it just employs a “bridge” from the JS code to the native environment), performance is not as good.

Which mobile technology is the most advanced?

There is no other easy clarification to that question; it is dependent on the requirements and needs. The fact is that mobile devices are now top-rated, and different apps meet a variety of demands. For example, suppose you require super-advanced software with unrivalled performance. In that case, dependability and security, or your app must be fully customized and unique on each platform. Of course, a native app is the best solution. However, if you want to produce a beautiful app while minimizing costs and reducing time to market, a cross-platform app is undoubtedly a superior option. Which one is it? In most circumstances, I will recommend Flutter, but this is dependent on the situation (e.g. from that is app more important thing or only nice to have for a webpage, etc.).

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