Build native iOS, Android and Windows apps in Visual Studio. IntelliSense inside Visual Studio enables you to explore the expansive landscape of iOS and Android APIs simply by typing. Quickly lookup types, methods and discover API functionality without breaking your train of thought. Xamarin.iOS for Visual Studio allows you to develop native iOS apps on Windows, with a paired Mac providing build services over the network. Xamarin provides new Visual Studio features for iOS development, including an iOS toolbar, File > New Project for iOS apps, and iOS property pads.