KaiOS AlternativesOperating Systems & Mobile Os like KaiOS

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 a operating system in the os & utilities category. There are more than 25 alternatives to KaiOS for a variety of platforms, including Linux, Android, Linux Mobile, Self-Hosted and iPhone apps. The best KaiOS alternative is Android, which is both free and Open Source. Other great apps like KaiOS are Ubuntu Touch, postmarketOS, Plasma Mobile and Replicant.

KaiOS iconKaiOS
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KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile...

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KaiOS alternatives page was last updated Apr 28, 2025
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  1. Android icon

    Android

     929 likes
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    Open-source mobile OS developed by Google, based on the Linux kernel. It supports app development in Java and Kotlin. Compatible with various devices, offering seamless integration with Google services, customizable interface, and extensive app ecosystem for smartphones and tablets.

    44 Android alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • Android Tablet
    • Android Auto
    • Android SDK
    • Android Wear
    • Android TV
    Android screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Linux-based
    2.  ARM support
    3.  Mobile OS
    4.  Android Wear compatibility
    5.  Google integration
    6. Google Calendar icon  Sync with Google Calendar
    7.  Sync with Google Drive
    8.  Sideload apps
    9.  Dark Mode
    10.  No registration required
    11.  Ad-free
    12.  Batch Rename Files

    Android VS KaiOS

     
    Comments about Android as an Alternative to KaiOS
    HAK3R4LIFE
    Negative •Apr 28, 2025
    0

    KaiOS is probably better, for non-monopoly reasons..

    KaiOS Icon
    Android icon

    • Android is the most popular Android & Android Tablet alternative to KaiOS.

    • Android is the most popular Open Source & free alternative to KaiOS.

    • Android is Free and Open SourceKaiOS is Paid and Proprietary
    • Android is CustomizableKaiOS is not according to our users
  2. Ubuntu Touch icon

    Ubuntu Touch

     198 likes
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    Ubuntu Touch is the Ubuntu operating system for mobile phones originally created by Canonical and now developed by the UBports Community.

    42 Ubuntu Touch alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    Ubuntu Touch screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused
    3.  Customizable
    4.  Lightweight

    Features

    1.  GNU/linux-libre
    2.  Community-based
    3.  Linux-based
    4.  Ad-free
    5.  Based on Ubuntu
    6.  Conference Bridging
    7.  No registration required
    8.  No Tracking
    9.  OpenVPN
    10.  Works Offline
    11.  Support for Gestures
    12.  Lock screen controls

    Ubuntu Touch VS KaiOS

     
    Comments about Ubuntu Touch as an Alternative to KaiOS
    HAK3R4LIFE
    Positive •Apr 28, 2025
    0

    kaiOS is another hacekd-together system. Linux is Open-source.

    KaiOS Icon
    Ubuntu Touch icon

    • Ubuntu Touch is the most popular Linux alternative to KaiOS.

    • Ubuntu Touch is Free and Open SourceKaiOS is Paid and Proprietary
    • Ubuntu Touch is Privacy focused, Security-focused and LightweightKaiOS is not according to our users
  4. postmarketOS icon

    postmarketOS

     31 likes
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    postmarketOS extends the free and open source operating system Alpine Linux to run on smartphones and other mobile devices. Alpine is a security-oriented, light-weight Linux distribution based on musl libc and BusyBox.

    37 postmarketOS alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Linux
    • Linux Mobile
    postmarketOS screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  No Tracking
    2.  No registration required
    3.  Sustainability
    4.  Linux-based

    postmarketOS VS KaiOS

     
  5. Plasma Mobile icon

    Plasma Mobile

     56 likes
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    Plasma Mobile turns your phone into a fully open hacking device, just like a PC. You can join us to start building new mobile experiences now.

    41 Plasma Mobile alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • KDE
    • Linux Mobile
    Plasma Mobile screenshot 1
    Plasma Mobile screenshot 2
    Plasma Mobile screenshot 3

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Customizable

    Features

    1.  Ad-free
    2.  No registration required
    3.  No Tracking
    4.  Dark Mode
    5.  Linux-based
    6.  Portable Linux

    Plasma Mobile VS KaiOS

     
  6. Replicant icon

    Replicant

     90 likes
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    Replicant is a fully free Android distribution running on several devices, a free software mobile operating system putting the emphasis on freedom and privacy/security. It is based on LineageOS and replaces or avoids every proprietary component of the system, such as user-space...

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    Replicant screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  Root required
    2.  Dark Mode
    3.  Ad-free
    4.  No Tracking
    5.  No registration required

    Replicant VS KaiOS

     
  7. iodéOS icon

    iodéOS

     54 likes
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    Mobile operating system based on LineageOS.

    61 iodéOS alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Android
    iodéOS screenshot 1
    iodéOS screenshot 2

    Properties

    1.  Lightweight
    2.  Intuitive Interface
    3.  User friendly

    Features

    1.  Mobile OS
    2.  Ad-free
    3.  No registration required
    4.  Works Offline
    5.  Dark Mode
    6.  Multiple languages
    7.  Low CPU usage

    iodéOS VS KaiOS

     
  9. iOS icon

    iOS

     134 likes
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    iOS is a 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...

    25 iOS alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • iPhone
    iOS screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  Dark Mode
    2.  VoiP Calls
    3.  Works Offline
    4.  Cloud Sync
    5.  Integrated Web Browser
    6.  Support for Smartwatch
    7.  OTA Updates

    iOS VS KaiOS

     

    • iOS is the most popular iPhone alternative to KaiOS.

    • iOS is the most popular commercial alternative to KaiOS.

    • iOS is Paid and ProprietaryKaiOS is also Paid and Proprietary
    • iOS is Privacy focusedKaiOS is not according to our users
  10. Sailfish OS icon

    Sailfish OS

     62 likes
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    Sailfish OS is a European alternative to dominating mobile operating systems, and the only mobile OS offering an exclusive licensing model for local implementations.

    27 Sailfish OS alternatives

    License model

    Application types

    Country of Origin

    • FI flagFinland
    • European Union flagEU

    Platforms

    • Linux Mobile
    Sailfish OS screenshot 1

    Sailfish OS VS KaiOS

     
  11. Tizen OS icon

    Tizen OS

     32 likes
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    Tizen is an open source mobile and device operating system based on Linux developed by Samsung and Intel.

    80 Tizen OS alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Linux Mobile
    Tizen OS screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  Linux-based
    3.  MultiTouch
    4.  Multitasking

    Tizen OS VS KaiOS

     
  12. HarmonyOS icon

    HarmonyOS

     12 likes
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    Distributed microkernel OS with AI and edge computing capabilities for smartphones, wearables, TVs, tablets, and IoT; features multi-layered architecture, custom device kernels, Linux ABI compatibility, seamless interaction, and resource sharing across devices.

    54 HarmonyOS alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • HarmonyOS
    HarmonyOS 5 user interface

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Ad-free
    2.  Portable
    3.  Rolling Release
    4.  Dark Mode
    5.  No Tracking
    6.  No registration required
    7.  Works Offline
    8.  Command line interface
    9.  ARM Independent

    HarmonyOS VS KaiOS

     
  13. Fairphone Open icon

    Fairphone Open

     12 likes
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    alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Android

    Fairphone Open Features

    1.  Custom-ROM

    Fairphone Open VS KaiOS

     
  14. Mobian icon

    Mobian

     10 likes
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    Mobian is an open-source project aimed at bringing Debian GNU/Linux to mobile devices.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Linux Mobile
    Working on phone or tablet

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Based on Debian

    Mobian VS KaiOS

     
12 of 25 KaiOS alternatives