Compare software

IronFoxFennec F-Droid
Free

Free and open source under the MPL.

 Free

Free and open source under the Mozilla Public License 2.0.

Android Android
  • Hardened defaults and uBlock Origin built in, with no configuration needed
  • Continues Mull's work under active maintenance
  • Tracks current Firefox releases closely
  • Proprietary components and telemetry removed
  • Android only
  • Hardened defaults break some sites until exceptions are made
  • Still connects to Mozilla services that can track users
  • Requires Android 8.0 or newer
Downloadable app Downloadable app
Open source Open source
License: MPL-2.0 License: MPL-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.