Browsers
Fennec F-Droid privacy rating
Build of Firefox for Android published by F-Droid, with proprietary components and telemetry removed. It still connects to some Mozilla services.
Summary
Fennec F-Droid scores 57 out of 100 (grade D) on the browsers criteria. It meets 2 of 8 criteria: open source and no ads or data sales. It partly meets no trackers or telemetry, blocks trackers by default, fingerprinting protection, no calls to big-tech services and timely security updates. It does not meet independent audit.
Score 57 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
Build scripts are AGPL-3.0, and Firefox code is MPL-2.0.
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Partial
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Telemetry is removed, but F-Droid flags the app for connecting to Mozilla services that can track users.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Sponsored shortcuts and sponsored stories are disabled in the build. Volunteer project.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.
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Partial
Blocks trackers by default Weight 3 of 3
Are third-party trackers blocked by default, without installing extensions?
Uses Firefox Enhanced Tracking Protection in Standard mode, which blocks social trackers and cross-site cookies but not all tracking content.
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Partial
Fingerprinting protection Weight 2 of 3
Does the browser defend against fingerprinting by default?
Known fingerprinters are blocked, but fingerprinting data is only altered in Strict mode or private tabs.
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Partial
No calls to big-tech services Weight 2 of 3
Does the browser work without background connections to Google, Microsoft or Apple services?
Google Play components are removed, but Firefox's Google Safe Browsing lists and some Mozilla services remain.
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Partial
Timely security updates Weight 3 of 3
Are security fixes from the upstream engine shipped quickly and automatically?
New Firefox versions usually reach F-Droid within about a week and are installed through an F-Droid client.