iOS, Androidand now Mac development with Xamarin.Mac. Share up to 90% of app source code across these platforms, and even share code with Windows apps for a total of 2.2 billion devices you can reach in C#. With Xamarin, you can focus on delivering a great user experience across all major platforms and form factors."> iOS, Androidand now Mac development with Xamarin.Mac. Share up to 90% of app source code across these platforms, and even share code with Windows apps for a total of 2.2 billion devices you can reach in C#. With Xamarin, you can focus on delivering a great user experience across all major platforms and form factors.">