The two most common technologies for creating mobile apps are Flutter and Kotlin. Flutter is a programming language, while Kotlin is a system. For specific problems, a system is used. We can have many inbuilt functions in Flutter to complete an application, and programming languages have no limitations when it comes to software creation. We’ll compare the differences between Flutter and Kotlin based on different parameters in this section. Before making a comparison, let’s take a quick look at these technologies.

Flutter vs. Kotlin

The following comparison chart explains the main differences between Flutter and Kotlin:

Parameters Flutter Kotlin
Definition It is a cross-platform mobile framework that provides mobile app SDK to the developers and designers to build modern mobile apps for iOS and Android. It is detailed as statically typed programming language for the JVM, Android, and the browser. It is 100% interoperable with Java.
Developed By It is a framework that was first introduced by Google. It is a programing language that was first introduced by JetBrains.
Released 2017 2010
Language Stack It uses Dart programming to build mobile apps. It is itself a programing language that uses Java, JVM, JavaScript, and Native for creating applications.
Popularity Its popularity on GitHub has 88.7k stars and 11.7k folks. Its popularity on GitHub has 31.1k stars and 3.8k folks.
Performance Its performance is amazing because it uses Dart programming, and there is no need to use JavaScript Bridge for starting interactions with the app. Its performance is slow because it uses JavaScript and 100% interoperable in Java that decreases the speed of an application.
Learning Curve In Flutter, developers must have to learn Dart programming to build an app. It has an easy learning curve because it is very similar to Java.
Documentation It has well organized and more informative documentation where we can get everything that we want in one place. It also provides well-structured documentation to the developers. Since it is in the development phase, its libraries can be changed at any time.
Testing Support It has a wide variety of testing features along with a unique widget testing feature. Its main focus is to deliver backend development services and uses Firebase as a secure backend option.
Hot Reload Supported Not Supported
App Size The size of the Flutter app is bigger. The size of the Kotlin app takes less size as compared to Flutter.
Integration of third-party libraries and tools Since Flutter is a UI tool, so it needs third-party libraries and tools to bridge a connection with the native environment. It does not require third-party libraries and tools to bridge a connection with the native environment.
Pricing It is entirely free to utilize Flutter system technologies and their libraries. It is also free, so there is no better choice in this matrix.
Deployment Options It can deploy on Mobile, Desktop, and Web. It can deploy on Mobile, Desktop, and Web.
Popular Apps Hamilton, Google Ads, Alibaba, Cryptograph, etc. Pinterest, Coursera, Evernote, etc.

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