IOS

iOS

Developer	Apple Inc.
Written in	C, C++, Objective-C
OS family	Unix-like (BSD), OS X
Working state	Current
Source model	Closed source
Initial release	June 29, 2007; 17 years ago (2007-06-29)
Latest release	iOS 18.0[1] released September 16, 2024; 33 days ago (2024-09-16)[2]
Latest preview	iOS 18 Beta 5[3] released August 5, 2024; 2 months ago (2024-08-05)[3]
Marketing target	Artists, designers, casual users
Available in	40 languages[4]
Platforms	64- (and previously and 32-bit) ARM architectures (iPhone, iPod, iPad, iPad Mini, and 2nd gen. and higher Apple TV), Apple A4, Apple A5, Apple A5X, Apple A6, Apple A6X, Apple A7
Kernel type	Hybrid (XNU)
Default user interface	Cocoa Touch (multi-touch, GUI)
License	Proprietary EULA except for open-source components
Official website	www.apple.com/ios/

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iOS (previously named iPhone OS) is an OS for smartphones, made and sold by Apple. It is the mobile OS of the iPhone. At first iOS was called iPhone OS, but it was renamed to iOS in 2010 to show that the operating system was being supported on new Apple devices.^[5]

1. ↑ "News and Updates". Apple Developer. Apple Inc. Retrieved 2024-09-16.
2. ↑ Cite error: The named reference 17.6 was used but no text was provided for refs named (see the help page).
3. ↑ ^{3.0 3.1} "IOS & iPadOS 18 Release Notes". Apple Developer. Apple Inc. Retrieved 2024-08-06.
4. ↑ "Apple – iPhone XS – Technical Specifications". Apple. Archived from the original on January 4, 2019. Retrieved 2023-05-20.
5. ↑ Beal, Vangie (22 August 2011). "What is Apple iOS? Webopedia Definition". www.webopedia.com.