IPadOS is a mobile operating system developed by Apple Inc. Proprietary software except for open-source components IPadOS 15 home screen running on an iPad Air (3rd generation)Ĭ, C++, Objective-C, Swift, assembly languageġ5.0.1 (19A348) (October 1, 2021 1 day ago ( )) ġ5.1 beta 2 (19B5052f) (September 28, 2021 4 days ago ( ))
