Browsers
Firefox Focus privacy rating
Browser from Mozilla for Android and iOS that blocks trackers by default and erases history, cookies and passwords with one tap. Sold as Firefox Klar in some countries.
Summary
Firefox Focus scores 55 out of 100 (grade D) on the browsers criteria. It meets 3 of 8 criteria: open source, blocks trackers by default and timely security updates. It partly meets no ads or data sales and no calls to big-tech services. It does not meet no trackers or telemetry, independent audit and fingerprinting protection. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.
Score 55 out of 100. How scoring works
Criteria
- Yes
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No
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?
Exodus finds Mozilla Telemetry and Sentry crash reporting in the Android app, and a daily usage ping is sent by default unless turned off.
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Partial
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
The app shows no ads, but Mozilla earns revenue from the default search engines, whose results pages carry ads.
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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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Yes
Blocks trackers by default Weight 3 of 3
Are third-party trackers blocked by default, without installing extensions?
Blocks advertising, analytics, social and other trackers by default.
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No
Fingerprinting protection Weight 2 of 3
Does the browser defend against fingerprinting by default?
Blocks known fingerprinting scripts, but no randomization or standardization of fingerprinting data is documented.
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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?
Uses Google Safe Browsing, and Google is the default search engine, which can be changed.
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Yes
Timely security updates Weight 3 of 3
Are security fixes from the upstream engine shipped quickly and automatically?
Releases follow Firefox security releases and install automatically through the app stores.