iPadOS is the mobile operating system for iPad devices from version 13 onward. Before version 13, iPad devices ran iOS.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- iPad
United States

Apps similar to iOS include Android, which is free and open source. Other options are GrapheneOS, LineageOS, /e/ and CalyxOS. You're spoiled for choice with Operating Systems like iOS: we list more than 25 alternatives for Android, Linux, self-hosting, iPhone and iPad.
iPadOS is the mobile operating system for iPad devices from version 13 onward. Before version 13, iPad devices ran iOS.

An operating system that respects your rights to privacy, security, and freedom, by design.


Open source Linux-based platform designed for smartphones, tablets, netbooks, automotive infotainment, and smart TVs, offering scalable compatibility, advanced multimedia, touch support, Application Compatibility Layer for Android apps, 3D UI, and multitasking.



The major difference between Google's stock Android and OPPO's ColorOS is the latter's additional features. Such features include: customizable gestures for screen off, screen on, communication, a security centre, lock screen magazines, options for long screen shot...


webOS is a web-centric and usability-focused software platform for smart devices. The operating system has constantly evolved, passing through its journey from Palm to HP, and most recently to LG Electronics.

KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.




Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.

Oniro is an Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make.


No frills pure AOSP experience that will not let you down in getting through every day uninterrupted by inconveniences, with just the right dab of customisations. Be it requiring safetynet for banking or payment apps to receiving the latest security patches from Google as soon...



RestlessOS is an unofficial, unaffiliated fork of GrapheneOS packaged as a Generic System Image (GSI) for Project Treble devices. It is not endorsed by, sponsored by, or in any way connected to the GrapheneOS project or its developers.