IronFox
The hardened Firefox for Android (Mull's heir).
Community continuation of the beloved Mull browser: Firefox for Android with hardened preferences, telemetry stripped, and fingerprinting protections — the privacy pick for Android.
- Engine
- Gecko
- License
- Open source
- Runs on
- Android
- Top marks
- Tracking protection, Extension ecosystem, Open source, Independence
- Updated
- September 2026
Why it shines
- Hardened arkenfox-style defaults
- Full Android extension support (uBlock Origin!)
- Available via F-Droid/Obtainium
Worth knowing
- Strict settings can break some sites
- Community project — trust and verify
Origins
IronFox belongs to The Mozilla family — descended from Firefox.
Does well
Ranked in
Scorecard
- Tracking protection3/3
- Fingerprinting resistance2/3
- Anonymity0/3
- Built-in ad blocking2/3
- Customization0/3
- Keyboard control0/3
- Built-in tools0/3
- Minimal interface0/3
- Fresh design0/3
- Classic interface0/3
- Light on resources1/3
- Raw speed0/3
- Battery efficiency0/3
- Extension ecosystem3/3
- Cross-device sync0/3
- Site compatibility2/3
- Low maintenance1/3
- Open source3/3
- Independence3/3
- Built-in AI0/3
- Gaming features0/3
- Dev tooling0/3
0–3 on each of the 22 criteria the quiz and the guides rank by. How we score.
