iOS

iOS is a mobile operating system developed by Apple Inc. for its iPhone, iPad, and iPod Touch devices. It is the second most popular mobile operating system in the world, behind Android. iOS is based on the Mac OS X operating system and provides a user interface based on direct manipulation of the screen using multi-touch gestures. It includes features such as a home screen with app icons, a notification center, and access to the App Store for downloading apps. iOS also includes features such as iCloud, AirPlay, and Apple Pay.