It is proprietary software, although some parts of it are open source under the Apple Public Source License and other licenses.

It is the basis for three other operating systems made by Apple: iPadOS, tvOS, and watchOS. It is the world's second-most widely installed mobile operating system, after Android. 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). IOS (formerly iPhone OS) is a mobile operating system developed by Apple Inc. Some features, applications, and services may not be available in all regions or all languages.Proprietary software except for open-source components Available for homes using the new Home architecture and a HomePod or Apple TV running as a home hub.Available on iPhone 12 Pro, iPhone 12 Pro Max and later.Available in English (Australia, Canada, United Kingdom, U.S.) on iPhone 11 and later.Available in English (Australia, Canada, United Kingdom, U.S.) on iPhone and on AirPods Pro (2nd generation).Available on iPhone XS and iPhone XR and later and AirPods (2nd and 3rd generation), AirPods Pro (1st and 2nd generation), and AirPods Max, with the latest firmware.Available in compatible applications with AirPods (3rd generation), AirPods Pro (1st and 2nd generation), or AirPods Max with the latest firmware.Available on iPhone XS and iPhone XR and later and AirPods Pro (2nd generation) with the latest firmware.Available in English on iPhone 12 and later.

English, French, and Spanish require iPhone 12 or later.

Available in Arabic, Dutch, English, French, German, Hebrew, Korean, Italian, Polish, Portuguese, Romanian, Spanish, and Thai.

Available on Apple Watch Series 7 or later, Apple Watch SE (2nd generation), and all Ultra models in an update later this year.

Available on iPhone XS and iPhone XR and later and on Apple TV 4K (2nd generation and later).

Available on iPhone 12 and later when using the front camera.

Instal the new for ios Santase