Firefox Focus

Mozilla's minimalist mobile browser, permanently in private browsing with a tracker blocker.

Facts

Developer

Mozilla

Website

www.mozilla.org

Current engines

GeckoWebKit (iOS)

Former engines

Blink (WebView)

Derived from

Mozilla Firefox

Platforms

AndroidiOS

Popularity

68/100

Key versions

1. Dec. 7, 2015
   Initial release“Focus by Firefox”: a tracker blocker for Safari on iOS.
2. Nov. 17, 2016
   Browser (iOS)WebKitBecomes a standalone minimalist browser on iPhone.
3. June 2017
   AndroidBlink (WebView)First Android version, over one million downloads in its first month.
4. Dec. 20, 2018
   Safe BrowsingURLs checked against Google Safe Browsing to block fraudulent sites.
5. 2018
   7.0Gecko (GeckoView)On Android, switches from WebView (Blink) to GeckoView.
6. May 24, 2025
   139.0Latest stable release listed; numbering aligned with Firefox.

Version sources: Firefox Focus (Wikipedia en)

Sources

1. https://en.wikipedia.org/wiki/Firefox_Focus
2. https://en.wikipedia.org/wiki/Firefox