IOS is a mobile operating system for Apple-manufactured devices. iOS runs on the iPhone, iPad, iPod Touch, and Apple TV. iOS is best known for serving as the underlying software that allows iPhone users to interact with their phones using gestures such as swiping, tapping, and pinching.
To develop iOS apps, you need a Mac computer running the latest version of Xcode. Xcode is Apple's IDE (Integrated Development Environment) for both Mac and iOS apps. Xcode is the graphical interface you'll use to write iOS apps.
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