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IronFoxFirefox
Free

Free and open source under the MPL.

 Free

Free software from a non-profit-owned foundation. Mozilla sells separate subscription…

Android Windows, macOS, Linux, Android, iOS
  • Hardened defaults and uBlock Origin built in, with no configuration needed
  • Continues Mull's work under active maintenance
  • Total Cookie Protection stops cookies following you between sites
  • An engine that is not Chromium, which matters for the health of the web
  • Android only
  • Hardened defaults break some sites until exceptions are made
  • A small number of sites are still built and tested only against Chromium
  • Mozilla’s revenue comes largely from a search deal, which shapes some defaults
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 Works offline

Checked September 22, 2026

Checked September 20, 2026

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