Android powers hundreds of millions of mobile devices in more than 190 countries around the world. It's the largest installed base of any mobile platform and growing rapidly.

Android gives you a world-class platform for creating apps and games for Android users everywhere, as well as an open marketplace for distributing to them instantly.

iOS is the world’s most advanced mobile operating system that presently powers many of the Apple mobile devices, including the iPhone, iPad, and iPod touch.

It is the second most popular mobile operating system globally after Android.