KaiOS Alternatives

    KaiOS is described as 'brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support' and is an app in the OS & Utilities category. There are more than 25 alternatives to KaiOS for a variety of platforms, including Android, Linux, Self-Hosted solutions, iPhone and Android Tablet. The best alternative is Android, which is both free and Open Source. Other great apps like KaiOS are Ubuntu Touch (Free, Open Source), Replicant (Free, Open Source), Plasma Mobile (Free, Open Source) and iOS (Free).

    This page was last updated Jul 29, 2021
    1. OxygenOS is an Android-based OS developed by OnePlus exclusively for their smartphones.
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    2. Ubports

      • Free • Open Source
      • Linux
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      Install Ubuntu touch on smart phone.
      No screenshots yet
    4. alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.
      No screenshots yet

    5. HarmonyOS

      • Free • Open Source
      • Linux
      • Android
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      HarmonyOS is a lightweight, compact operating system with powerful functionality, and it will first be used for smart devices like smart watches, smart screens, in-vehicle systems, and smart speakers.
      No screenshots yet
    6. 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.

    8. ColorOS

      • Free • Proprietary
      • Android
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        The major difference between Google's stock Android and OPPO's ColorOS is the latter's additional features.
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      • 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.

      • B2G OS

        • Free • Open Source
        • Self-Hosted
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        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.

        Discontinued

        The project is discontinued.
        See: https://developer.mozilla.org/en-US/docs/Archive/B2G_OS

      • iodéOS is an operating system powered by LineageOS and based on the Android mobile platform. iodéOS aims at protecting the user's privacy with a built-in adblocker and by removing Google trackers.
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      • QtMoko

        • Free • Open Source
        • Linux
        • Self-Hosted
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        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..

        Discontinued

        The project seems to be no longer developed. Last version, v58, released in December 2013, can be still downloaded from SourceForge.

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      Showing 20 of 25 alternatives