iOS History



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iOS 11 running on an iPhone 7 Plus

Developer Apple Inc.
Written in CC++Objective-CSwift
OS family Unix-like, based on Darwin(BSD), macOS
Working state Current
Source model Closed source
Initial release June 29, 2007; 11 years ago
Latest release 11.4(15F79) (May 29, 2018; 35 days ago) 
Latest preview 11.4.1 Beta 5 (15G5077a)(July 2, 2018; 1 day ago) 

12.0 Public Beta 1 (June 25, 2018; 8 days ago) 

Marketing target Smartphonestablet computersportable media players
Available in 40 languages
Update method iTunes or OTA (iOS 5 or later)
Platforms
Kernel type Hybrid (XNU)
Default user interface Cocoa Touch (multi-touchGUI)
License Proprietary software except for open-source components
Official website www.apple.com/ios/
Support status



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