Answer: Flutter’s fast, way more expressive than Java, and is suitable for iOS too.

Flutter runs on the same engine as React Native, but it has a much easier development process because Google has solved some of the biggest issues in mobile app development. For example, Flutter differentiates between cell animation and scene-to-scene transitions to save resources. React Native requires you to save every component state (view properties) into constants which means that updating model data means changing all instance variables you might not want effected by this update. Flutter handles animations separately from the view hierarchy without added costs like node removal if desired. The end result is you can’t build an Android app with Flutter or React Native faster than with native Android or iOS, but Flutter can build iOS code faster than Android.