React Native vs Flutter vs Kotlin: Which One is Right for Your Mobile App Development Project?

In today’s highly competitive market, mobile app development is critical for businesses of all sizes. With the increasing demand for cross-platform development, developers have several options to choose from, including React Native, Flutter, and Kotlin. 

According to a survey by Statista, React Native is the most popular cross-platform development framework with a 42% adoption rate among developers. Flutter, developed by Google, is the second most popular framework, with a 39% adoption rate, while Kotlin, a modern, versatile programming language, is used by 62% of developers, according to a survey by JetBrains.

In this blog, we will compare these three frameworks and help you determine which one is best for your mobile app development project.

React Native

React Native is an open-source framework developed by Facebook that allows developers to build native apps for Android, iOS, and other platforms using JavaScript and React. React Native has gained significant popularity since its release in 2015 due to its ease of use, flexibility, and ability to reuse code. According to a survey conducted by Statista, React Native is the most popular cross-platform framework among developers, with a 42% adoption rate.


Flutter is a relatively new open-source framework developed by Google that allows developers to create high-performance, visually attractive apps for mobile, web, and desktop platforms using the Dart programming language. Flutter has gained a lot of popularity since its release in 2018 due to its fast development speed, customizable widgets, and hot reload feature. According to a survey conducted by Stack Overflow, Flutter is the second most popular cross-platform framework among developers, with a 39% adoption rate.


Kotlin is a statically-typed, open-source programming language developed by JetBrains, the same company that created the IntelliJ IDEA IDE. Kotlin is designed to be a modern language that can be used for a wide range of applications, including mobile app development. Kotlin has gained significant popularity since its release in 2011 due to its concise syntax, null safety, and interoperability with Java. According to a survey conducted by JetBrains, Kotlin is the fourth most popular language among developers, with a 62% adoption rate.


React Native offers a wide range of features, including hot reloading, modular architecture, and support for third-party libraries. React Native also offers a large community of developers who contribute to the platform and provide support to others. However, React Native has limitations when it comes to creating complex animations and graphical user interfaces (GUIs).

Flutter offers a rich set of features, including customizable widgets, hot reload, and fast development speed. Flutter also offers support for complex animations and GUIs, making it an ideal choice for app development projects that require a high degree of visual appeal. However, Flutter has a smaller community of developers compared to React Native, which means that finding support and third-party libraries can be more challenging.

Kotlin offers features such as null safety, interoperability with Java, and support for functional programming. Kotlin also offers a range of libraries and tools that can be used for mobile app development, making it an attractive option for developers who want to work with a modern, versatile language. However, Kotlin is primarily a programming language rather than a framework, which means that developers may need to use additional tools and libraries to build cross-platform apps.


React Native offers good performance and is capable of handling complex applications. However, it can be slower compared to native app development, especially when it comes to rendering graphics and animations.

Flutter offers excellent performance, with apps built using Flutter often outperforming those built using other cross-platform frameworks. Flutter achieves this by compiling Dart code into native ARM code, which allows it to run natively on the device. As a result, Flutter apps offer fast startup times and smooth performance.

Kotlin offers good performance, but it is not optimized for cross-platform development. Developers need to use additional tools and libraries, such as Kotlin Multiplatform, to build cross-platform apps, which can result in slower development times and lower performance compared to native app development.


In conclusion, choosing the right framework for your mobile app development project depends on your specific requirements and preferences. React Native, Flutter, and Kotlin each offer unique advantages and limitations, and it’s essential to consider these factors before making a decision.

If you want to develop an app with a high degree of visual appeal, Flutter may be the best choice, as it offers customizable widgets and support for complex animations and GUIs. On the other hand, if you prioritize ease of use and a large community of developers, React Native may be the better option, as it has a larger user base and offers a wide range of third-party libraries.

If you prefer a modern, versatile language for your app development project, Kotlin may be the right choice, as it offers a range of features, including null safety and interoperability with Java. However, Kotlin is primarily a programming language, and additional tools and libraries may be required to build cross-platform apps.

At Coding Brains, we have a team of experienced mobile app developers who are well-versed in all three frameworks and can help you choose the best option for your project. We are committed to delivering high-quality, cost-effective solutions that meet your specific needs and requirements.

Whether you need a simple app for your business or a complex enterprise-level solution, our team has the expertise and experience to deliver outstanding results.

Contact us today to learn more about our mobile app development services and how we can help you bring your vision to life.

Written By
Shriya Sachdeva
Shriya Sachdeva
Shriya is an astounding technical and creative writer for our company. She researches new technology segments and based on her research writes exceptionally splendid blogs for Coding brains. She is also an avid reader and loves to put together case studies for Coding Brains.