As enterprises look for efficient cross-platform application development on Android and iOS, there is often a lack of clarity when something new is introduced. This impacts the decision-making process and many keep on hold trying out any new technology until others have tried and test it. However, rather than staying behind the competitive curve, it is crucial to get up to speed with the latest and stay ahead in the game. Talking about staying ahead in the game, Flutter and Kotlin are compared and there is a lot of talk going on about it in the market. Let’s take a look at some of the pros and cons and then decide which one suits you the best. 

What exactly is Kotlin?

This platform expands beyond the Android development environment. Developers are enabled with the possibility to share data, codes, and also share business logic across several platforms such as Java Virtual Machine, iOS, Linux, Web, macOS. Although Kotlin is relatively new in the market, there are still many popular brands that have used it for their cross-platform app development. 


  1. One of the biggest and most attractive benefits is that you don’t have to shift the complete application. You can start with a single feature or module and once you determine its functioning you can slowly start the migration. 
  2. The Kotlin platform is also an easy one to learn.
  3. You can reuse the business logic. Below the UI layer, it employs libraries and shared logic. 


  1. The SDK has not yet reached the 1.0 version. It is still in the development stage and that makes the developers reluctant to use it.
  2. In the current stage, there are very few and basic libraries that are available to choose from. Although, there are more upgrades expected, but as of today it is not possible to build applications seamlessly.
  3. This platform is not designed to be a replacement for every API in the platform. As a result, the app company should have at least a basic knowledge of each platform and API. 

What exactly is Flutter?

Flutter was introduced back in 2015, and since then has been a preferred option when building beautiful and native looking web, mobile and desktop applications. This is Google’s product and an opensource SDK. Flutter was released to help developers handle several existing technical limitations and market challenges with ease. This ensured that it became an ideal cross-platform for app development in no time. Many top brands across the globe are embracing this platform for their projects. 


  1. This is open source and is free to use. There is an open developer’s forum where the developers can freely post their queries learn from the community. 
  2. Hot reloading functionality is one of the most preferred options by the flutter community. This feature allows anyone to make a change at the back end and simultaneously view the change at the front end. 
  3. In the development environment, there are several widgets that allow developers to customized look and feel.


  1. One of the biggest challenges is the app size which is too big compared to Xamarin and React Native. 
  2. The coding is done in Dart. Dart is easy to learn and implement in the development cycle, but it is not as popular as Java, JavaScript, C#, and C. This is preventing many to venture into learning Dart and using this platform. 

Easy and Reliable Cross-Platform App Development

We saw the pros and cons of both these development platforms. Flutter is gaining popularity among the developer’s community considering its several benefits and easy of making great looking and fast applications. There are few development companies that have identified the many benefits which flutter can provide. The ones that are mastering Flutter today will gain expertise and can be in a better position to handle app development needs when enterprises realize the true potential of flutter and move towards this platform. 

For an in-depth discussion on this topic, please check out the link Flutter or Kotlin. At Walking Tree, we are eagerly anticipating the upcoming updates to these SDKs and explore further options to empower our global clientele in creating state of the art mobile, web, and desktop applications.

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