Apple iOS is a proprietary mobile operating system that runs on the iPhone, iPad and iPod Touch.

Apple iOS is based on the Mac OS X operating system for desktop and laptop computers.

The iOS developer kit provides tools that allow for iOS app development.

What is 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 is iOS mobile application?

iOS Development. iOS is Apple’s mobile OS that runs on an iPhone, iPad, iPod Touch hardware. As an iOS developer, you can program in native languages such as Swift or Objective-C or build cross-platform native applications using React Native (JavaScript) or Xamarin (C# & F#).