The aim of making an application look native is important on Flutter. With this in mind, a lot of effort is made to bring the Cupertino side of the framework to the same level of coverage as the Material Design side. During the writing of this book, many Cupertino widgets have been added to the framework.
The idea is that their behavior is faithful to native apps, so this is not an easy task. The community has an important role in this task by using the components and giving feedback.
Like Material Design widgets, CupertinoApp, CupertinoPageScaffold, and CupertinoTabScaffold are the main Cupertino widgets of available in Flutter.
We're not entering the CupertinoPageScaffold and CupertinoTabScaffold widgets in details here. You can check these and all the available Cupertino widgets in details https://flutter.io/docs/development/ui/widgets/cupertino.
The iOS...