Flutter is an open-source mobile app development framework make by Google. Flutter is a cross-platform app development framework that allows developers to build and deploy native apps to iOS and Android.
Flutter has emerged as the fastest growing mobile application development platform in 2018 with over 200,000 developers using it. The reason for its popularity is that it provides a great way to develop apps for both platforms without having to learn two different languages.
To put it simply, Flutter mobile app development framework that allows developers to build and deploy native apps on iOS and Android without having to learn two different languages.