Open Source Firefox Alternatives for Android

There are many alternatives to Mozilla Firefox for Android if you are looking for a replacement. The best open source Android alternative is Brave. If that doesn't suit you, our users have ranked more than 100 alternatives to Mozilla Firefox and many of them are open source and available for Android so hopefully you can find a suitable replacement. Other interesting open source Android alternatives to Mozilla Firefox are Tor Browser, Waterfox, Chromium and IronFox.

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Most Mozilla Firefox alternatives are Web Browsers, but you can also narrow the list to Ad Blockers or Text to Speech Services. Other popular filters are iPhone, Kindle Fire, Mac, Android and Linux. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Mozilla Firefox alternatives page was last updated

Alternatives list

  1. Brave icon
     1339 likes

    Fast, secure browser integrating ad and tracker blockage, privacy features, and VPN. Offers seamless performance with data and battery optimization, faster loads by blocking pop-ups and ads. Safeguards user privacy with tracking protections and built-in brave search.

    281 Brave alternatives

    Cost / License

    Application type

    Since

    • Since 2016

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Epic Games Store
    • Flathub
    • Samsung Galaxy Store
    • F-Droid
    • Homebrew
    • Chocolatey
    • US flagUnited States
    Brave screenshot 1
    Good alternative?
     
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    29
  2. Tor Browser icon
     1145 likes

    Experience true privacy online with a portable browser offering built-in proxy, encryption, and tracker blocking. Navigate without revealing location or browsing data, enjoying ad-free, secure surfing across platforms like Windows, Mac, Linux, and Android with no installation hassle.

    83 Tor Browser alternatives

    Cost / License

    Application type

    Since

    • Since 2012

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • OpenBSD
    Good alternative?
     
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    5
  3. Waterfox icon
     470 likes

    Utilize Waterfox for a high-speed, private browsing experience on 64-bit systems. Built on Firefox, it taps into Intel's C++ compiler for optimal performance, supports legacy extensions, allows full customization, and blocks ads by default, ensuring utmost control and security.

    107 Waterfox alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2011

    Platforms

    • Windows
    • Mac
    • Linux
    • Flatpak
    • Flathub
    • Android
    • Android Tablet
    • GB flagUnited Kingdom
    Waterfox screenshot 1
    Good alternative?
     
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    24
  4. Chromium icon
     1157 likes

    Open-source browser project offering strong security, fast performance, and stability with broad support for Windows, macOS, Linux, and Android, extensive customization, frequent security updates, minimal default tracking, and foundation for multiple browsers.

    210 Chromium alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • TrueOS
    • Xfce
    • Flathub
    • Snapcraft
    Good alternative?
     
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    12
  5. IronFox icon
     74 likes

    IronFox is a fork of DivestOS's Mull Browser based on Firefox. Our goal is to continue the legacy of Mull to provide a secure, hardened and privacy-oriented browser for daily use.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Good alternative?
     
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    2
  6. Fennec F-Droid  icon
     113 likes

    Browser using the Gecko layout engine to render web pages, which implements current and anticipated web standards.

    212 Fennec F-Droid alternatives

    Cost / License

    Application type

    Since

    • Since 2018

    Platforms

    • Android
    • F-Droid
    • OpenAPK
    Good alternative?
     
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    2
  7. Cromite icon
     90 likes

    Cromite is a Chromium fork focusing on privacy, featuring built-in ad-blocking, user agent customization for privacy, DNS adjustments for security, and anti-fingerprinting measures to ensure user safety throughout browsing sessions.

    55 Cromite alternatives

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Linux
    • Android
    • Android Tablet
    Good alternative?
     
  8. Privacy-focused open-source smartphone browser by DuckDuckGo blocks trackers, enforces encrypted connections, and provides a Privacy Grade. Partners with 'Terms of Service Didn't Read' and offers features like tabs, bookmarks, and autocomplete, keeping search data private.

    194 DuckDuckGo Browser alternatives

    Cost / License

    Application type

    Since

    • Since 2018

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    • OpenAPK
    Good alternative?
     
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    1
  9. Brave Origin icon
     28 likes

    Minimalist privacy browser offering ad-free browsing, no cryptocurrency features, and core Shields protection. Includes one-time activation for devices, supports ongoing updates, cross-platform use, and retains open-source, privacy, and security benefits.

    72 Brave Origin alternatives

    Cost / License

    Application type

    Since

    • Since 2026

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    Good alternative?
     
  10. Firefox Focus icon
     118 likes

    Firefox Focus is the Mozilla-made browser that considers your privacy first and foremost. By default, it blocks ad-trackers and it helps keep things secure by providing easy ways to clear your browsing history, including passwords and cookies.

    133 Firefox Focus alternatives

    Cost / License

    Application type

    Since

    • Since 2016

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Samsung Galaxy Store
    • Safari
    • visionOS
    Good alternative?
     
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    1
  11. Vanadium icon
     47 likes

    Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2023

    Platforms

    • Android
    Good alternative?
     
  12. Iceraven icon
     44 likes

    A web browser for Android, based on Mozilla's Fenix version of Firefox, GeckoView and Mozilla Android Components.

    214 Iceraven alternatives

    Cost / License

    Application type

    Since

    • Since 2020

    Platforms

    • Android
    • Android Tablet
    • OpenAPK
    Good alternative?
     
12 of 43 Mozilla Firefox alternatives