Mobile operating system by Apple / From Wikipedia, the free encyclopedia

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iOS (formerly iPhone OS)[5] is a mobile operating system developed by Apple Inc. exclusively for its hardware. It is the operating system that powers many of the company's mobile devices, including the iPhone; the term also includes the system software for iPads (predating iPadOS, which was introduced in 2019) as well as on the iPod Touch devices (which were discontinued in mid-2022).[6] It is the world's second-most widely installed mobile operating system, after Android. It is the basis for three other operating systems made by Apple: iPadOS, tvOS, and watchOS.[7] It is proprietary software, although some parts of it are open source under the Apple Public Source License and other licenses.[8]

Quick facts: Developer, Written in, OS family, Working sta...
The word "iOS" in black San Francisco neo-grotesque sans-serif font.
Commercial logo as used by Apple, since 2017
iOS 17 home screen
DeveloperApple Inc.
Written inC, C++, Objective-C, Swift, assembly language
OS familyUnix-like, based on Darwin (BSD), macOS
Working stateCurrent
Source modelClosed, with open-source components
Initial releaseJune 29, 2007; 16 years ago (2007-06-29)
Latest release17.1.1[1] (November 7, 2023; 17 days ago (2023-11-07)) [±]
Latest preview17.2 beta 3[2] (November 14, 2023; 10 days ago (2023-11-14)) [±]
Marketing targetSmartphones, tablet computers, portable media players
Available in41 languages[3]
List of languages
Arabic, Bulgarian, Catalan, Chinese, Simplified, Chinese, Traditional (Hong Kong), Chinese, Traditional (Taiwan), Croatian, Czech, Danish, Dutch, English (Australia), English (United Kingdom), English (United States), Finnish, French (Canada), French (France), German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kazakh, Korean, Malay, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Spanish (Latin America), Spanish (Spain), Swedish, Thai, Turkish, Ukrainian, Vietnamese
Update methodOTA (since iOS 5), Finder (from macOS Catalina onwards)[4] or iTunes (Windows and macOS pre-Catalina)
Kernel typeHybrid (XNU)
user interface
Multi-touch, graphical user interface
LicenseProprietary software except for open-source components
Support status
Articles in the series
iOS version history

Unveiled in 2007 for the first-generation iPhone, iOS has since been extended to support other Apple devices such as the iPod Touch (September 2007) and the iPad (introduced: January 2010; availability: April 2010). As of March 2018, Apple's App Store contains more than 2.1 million iOS applications, 1 million of which are native for iPads.[9] These mobile apps have collectively been downloaded more than 130 billion times.

Major versions of iOS are released annually. The current stable version, iOS 17, was released to the public on September 18, 2023.[10]

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