iPadOS is the mobile operating system for iPad devices from version 13 onward. Before version 13, iPad devices ran iOS.

iPadOS is the most popular iPad alternative to iOS.
- iPadOS is Free and Proprietary
iOS is described as 'Mobile operating system designed by Apple for its iPhone and iPad devices. It offers a user-friendly interface, intuitive features, and seamless integration with other Apple products. With iOS, you can access a wide range of apps, games, and multimedia content, as well' and is a very popular Mobile OS in the os & utilities category. There are more than 25 alternatives to iOS for a variety of platforms, including Android, Linux, Linux Mobile, Android Tablet and Self-Hosted apps. The best iOS alternative is Android, which is both free and Open Source. Other great apps like iOS are Ubuntu Touch, GrapheneOS, LineageOS and /e/.
iPadOS is the mobile operating system for iPad devices from version 13 onward. Before version 13, iPad devices ran iOS.

iPadOS is the most popular iPad alternative to iOS.


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 new operating system from OnePlus, based on Android. OxygenOS is light and essential with subtle, useful features.



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.

Astian OS is the most popular Self-Hosted alternative to iOS.
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.


LuneOS is an open source firmware distribution for smartphones and tablet computers based on the Open webOS mobile operating system.



B2G is a community maintained open source operating system for smartphones, tablets, smart TVs and other connected devices. The project was started in 2011 and is based on the Linux kernel and Gecko rendering engine.

QtMoko is debian distribution for Linux based SmartPhones, like Openmoko Freerunner and Goldelico's GTA04 phone. Phone and user interface is based on QT Extendeded formerly known as Qtopia..


