IOS 15

iOS 15 is the fifteenth and current major release of the iOS mobile operating system developed by Apple for its iPhone and iPod Touch lines of products. It was announced at the company’s Worldwide Developers Conference on June 7, 2021, as the successor to iOS 14, and released to the public on September 20, 2021. Wikipedia

Developer: Apple Inc.

Default user interface: Cocoa Touch (multi-touch, GUI)

General availability: September 20, 2021; 8 months ago

Latest release: 15.5 (19F77) (May 16, 2022; 15 days ago)

Package manager: App Store

Source model: Closed with open-source components

Update method: Software Update