Using cross platform app development ensures that the overall look of the app can be maintained across all platforms since the same set of codes are being utilized.

Flutter is Google's mobile app SDK, complete with a framework, widgets, and tools, that gives developers an easy way to build and deploy visually attractive, fast mobile apps on both Android and iOS platforms (official Flutter website). Flutter enables a smooth and easy cross-platform mobile app development.

To know Why I Believe Flutter Is the Future of Cross-platform App Development? please read the blog-

https://appinventiv.com/blog/flutter-is-cross-platform-development-future/