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ShiftFirefox
Freemium

A limited free tier is available. More accounts and spaces require a paid subscription.

 Free

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

Windows, macOS, Linux Windows, macOS, Linux, Android, iOS
  • Several accounts of the same service signed in at once, separated by space
  • Total Cookie Protection stops cookies following you between sites
  • An engine that is not Chromium, which matters for the health of the web
  • Most spaces and account slots require a paid plan
  • Closed source and memory-hungry
  • 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
Closed source Open source
License not stated License: MPL-2.0
Account 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.