Flutter is powered by Dart, a language optimized for fast apps on any platform. Dart looks rather like Java, Kotlin, Swift, and TypeScript (see Figure 4 for a comparison).

Flutter is a new SDK for making iOS and Android apps. It just entered beta, but it’s one way to make an app, and it’s especially well-suited to fancy user interfaces.

xplore Flutter's latest updates, from AI tools to WebAssembly, and see how it's revolutionizing multiplatform app development in 2025.

You get your app, a new engine to run the Flutter code on, and enough native code to get the Flutter platform running on Android and iOS. This is basically the "video game" method of app development.