According to its documentation, Flutter is an open source, multi-platform mobile SDK from Google which can be used to build iOS and Android apps from the same source code . Flutter uses Dart as its programming language which is similar to React Native but supports much better the native features.
Read moreCan Flutter export to iOS?
Flutter supports iOS 9.0 and later . If your app or plugins include Objective-C or Swift code that makes use of APIs newer than iOS 9, update this setting to the highest required version. For a detailed overview of app signing, see Create, export, and delete signing certificates.
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