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Firefox Focus vs Fennec F-Droid: catalog facts
Firefox Focus	Fennec F-Droid
Free Free to download on Android and iOS.	Free Free and open source under the Mozilla Public License 2.0.
Android, iOS	Android
Tracker blocking turned on by default One-tap erase of history, passwords and cookies	Tracks current Firefox releases closely Proprietary components and telemetry removed
Mobile only, with no desktop version Wiping sessions means logins and history are not kept	Still connects to Mozilla services that can track users Requires Android 8.0 or newer
Downloadable app	Downloadable app
Open source	Open source
License not stated	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
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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