iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc.
exclusively for its hardware.
It is the operating system that presently powers many of the company’s mobile devices, including the iPhone, iPad, and iPod Touch.
What is the meaning of an iOS device?
Definition of: iOS device. iOS device. (IPhone OS device) Products that use Apple’s iPhone operating system, including the iPhone, iPod touch and iPad. It specifically excludes the Mac. Also called “iDevice” or “iThing.”
What phones use iOS?
The devices include the iPhone multimedia smartphone, the iPod Touch handheld PC which, in design, is similar to the iPhone, but has no cellular radio or other cell phone hardware, and the iPad tablet computer. All three devices function as digital audio and portable media players and Internet clients.