iOS is a mobile operating system that Apple created for use on their iPhone, iPod touch and iPad. Now iOS is one of the world's most popular mobile operating systems despite only running on Apple’s own hardware. Compare this to the Android mobile operating system, which is licensed by Google to various hardware manufacturers and wireless carriers. Now the debate over which approach is better is a topic we’re not getting into today, because in this video, we’re going to focus on the history of iOS and its development from 2007 to 2018.