Flutter is an open-source, cross-platform toolkit used for building apps for mobile OS, web, and desktop with the same code base. That means developers write code once and apply it to all the platforms – iOS, Android, web platform, macOS (Windows and Linux are still under development), and even Wear OS.

What is Flutter used for?

What is Flutter? Flutter is Google's portable UI toolkit for crafting beautiful, natively compiled applications for mobile, web, and desktop from a single codebase. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.

Why do you Flutter?

Immaculate Reactive framework

Flutter makes hybrid mobile app development easier as it has a highly reactive framework. Because of this, the developers can easily modify the interface by just changing the variables. When the changes are done in the state, they will automatically get reflected in the user interface.