Blog | 22 February 2023 | App Development | Rahul Gupta

Flutter vs Kotlin Multiplatform Mobile (KMM)

Flutter vs Kotlin Multiplatform Mobile (KMM)

In the arena of cross-platform mobile development, Kotlin Multiplatform Mobile (KMM) and Flutter have emerged as top contenders. These powerful frameworks offer developers the ability to construct native apps for both iOS and Android, consolidating the development process and accelerating productivity. Both Flutter and KMM have unique advantages, and this post aims to provide a comprehensive comparison to guide you in choosing the best fit for your mobile app development endeavors.

Differing Languages: Kotlin vs Dart

The fundamental distinction between KMM and Flutter lies in the programming languages they employ. KMM is powered by Kotlin, a cutting-edge language crafted by JetBrains. It’s known for its type safety, brevity, and exceptional interoperability with Java, primarily because Kotlin is a statically typed language running on the Java Virtual Machine (JVM).

Flutter, conversely, harnesses the power of Dart. This language is optimized for clients, focusing on creating speedy, engaging applications for mobile, web, and desktop alike. Dart stands out due to its simplicity, speed, and effective model for asynchronous programming.

Toolkits: Comparing KMM and Flutter

KMM and Flutter both boast an impressive set of tools and libraries, enabling developers to craft high-quality mobile apps. KMM offers the full suite of Kotlin libraries and several mobile-specific libraries like Ktor for network tasks and SQLDelight for database management. There’s even a dedicated Android Studio plugin to seamlessly integrate KMM into existing Android projects.

In contrast, Flutter includes the complete Flutter SDK that provides the Flutter framework, a wide array of pre-designed widgets, and the Dart SDK. Additionally, it features its bespoke development environment, the Flutter IDE. It’s built on Android Studio and offers extra tools specifically designed for Flutter app creation.

Community Backing: Flutter vs KMM

Both KMM and Flutter enjoy active, ever-expanding communities that offer support and resources. However, Flutter takes the lead with its larger community and wider array of resources and plugins. Furthermore, Flutter benefits from a dedicated Google team that diligently maintains the framework and ensures regular updates.

In Conclusion: Flutter or KMM?

In the grand scheme of cross-platform mobile app development, both KMM and Flutter are strong contenders. If you’re already skilled in Kotlin and want to utilize an existing Kotlin codebase, KMM could be the right fit. It also excels if you aim to integrate your mobile app with a Kotlin backend or require Kotlin-specific libraries. On the flip side, Flutter could be the best option if you’re starting fresh and need an efficient, robust framework backed by a substantial community. The final decision between KMM and Flutter will be driven by your specific app development needs and preferences.