Xamarin is a cross-platform mobile app development technology benefiting businesses with feature-reach cross-platform apps that run seamlessly across multiple devices with native performance and native UI. Xamarin uses the same language, data structures and provides full access to iOS and Android APIs. Xamarin is equipped with Visual Studio and creates a powerful and modern integrated development environment. Xamarin has an ability to reuse code from .Net libraries to build mobile and tablet apps with cross-platform compatibility to target a wide audience. Xamarin is one of the proven ways to cut expenses when developing complex applications for multiple operating systems.