NET, code can be shared with Xamarin.iOS and Xamarin.Android mobile apps all while delivering a native experience on each platform. Because Xamarin.Mac integrates directly with Xcode, the developer can use Xcode's Interface Builder to create an app's user interfaces (or optionally create them directly in C# code).Īdditionally, since Xamarin.Mac applications are written in C# and. NET using the same macOS APIs that are used when developing in Objective-C or Swift. Xamarin.Mac allows for the development of fully native Mac apps in C# and.