iOS
Developer | Apple Inc.
Written in | C, C++, Objective-C, Swift
OS family | Unix-like, based on Darwin (BSD), iOS
Working state | Current
Source model | Closed source
Initial release | June 29, 2007; 12 years ago (2007-06-29)
Latest release | 13.1.3 (17A878) (October 15, 2019; 9 days ago (2019-10-15)) [±]
Latest preview | 13.2 Beta 4 (17B5084a) (October 23, 2019; 1 day ago (2019-10-23)) [±]
Marketing target | Smartphones, tablet computers, portable media players
Available in | 40 languages
Update method | iTunes (formerly) or OTA (iOS 5 or later)
Platforms | ARMv8-A (iOS 7 and later) ARMv7-A (iPhone OS 3–iOS 10) ARMv6 (iPhone OS 1–iOS 4.2.1)
Kernel type | Hybrid (XNU)
Default user interface | Cocoa Touch (multi-touch, GUI)
License | Proprietary software except for open-source components
Official website | www.apple.com/ios/