A web browser, Fennec offers a collection of add-ons including ad blockers, with changes intended to improve privacy compared with upstream.

f-droid.org/en/packages/org.mozilla.fennec_fdr…
Fennec homepage screenshot

About Fennec

Fennec F-Droid is an Android web browser based on the latest Mozilla Firefox release, with proprietary bits and telemetry removed. It supports add-ons including ad blockers, tracking protection, single-tap private mode, tab collections, picture-in-picture mode, and sync of tabs, bookmarks and passwords via Firefox Sync. Version 157.0.0 requires Android 8.0 or newer. The F-Droid listing states it still connects to various Mozilla services that can track users, and flags it for tracking and reporting activity.

Key features

  • Supports add-ons including ad blockers
  • Improved tracking protection
  • Single-tap private mode
  • Customizable start screen and navigation bar position
  • Syncs tabs, bookmarks and passwords via Firefox Sync
  • Picture-in-picture mode and tab collections
Best for: Android users who want a Firefox-based browser with add-on support and telemetry removed.
Good for
  • Proprietary bits and telemetry removed compared with upstream Firefox
  • Collection of add-ons including ad blockers
  • Built and signed by F-Droid to correspond to source tarball
Watch out for
  • Connects to various Mozilla services that can track users
  • Flagged by F-Droid for tracking and reporting activity
  • Requires Android 8.0 or newer

Fennec at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Android, Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Fennec FAQ

What Android version does Fennec F-Droid require?
Version 157.0.0 requires Android 8.0 or newer.
Does removing telemetry mean it does not connect to Mozilla services?
No. The listing states proprietary bits and telemetry are removed, but it still connects to various Mozilla services that can track users.
What license covers Fennec F-Droid?
Mozilla Public License 2.0.
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