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Mullvad Browser vs LibreWolf: privacy compared

Mullvad Browser and LibreWolf are both rated in browsers against the same 8 public criteria.

Mullvad Browser compared with LibreWolf
CriterionMullvad Browser Our pickLibreWolf
GradeGrade A A (90/100)Grade B B (83/100)
JurisdictionSweden Fourteen EyesUnknown
Open source
Is all the source code needed to run the product public?
Yes sourceYes source
No trackers or telemetry
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Yes sourceYes source
No ads or data sales
Is the product funded without advertising, ad targeting or selling user data?
Yes sourceYes source
Independent audit
Has an independent security or privacy audit been published within the last three years?
NoNo
Blocks trackers by default
Are third-party trackers blocked by default, without installing extensions?
Yes sourceYes source
Fingerprinting protection
Does the browser defend against fingerprinting by default?
Yes sourceYes source
No calls to big-tech services
Does the browser work without background connections to Google, Microsoft or Apple services?
Yes sourceYes source
Timely security updates
Are security fixes from the upstream engine shipped quickly and automatically?
Yes sourcePartial source

Which is more private, Mullvad Browser or LibreWolf?

Mullvad Browser scores higher on the public criteria: 90 out of 100, against 83 for LibreWolf. Mullvad Browser does better on timely security updates. How scoring works

Summaries

Mullvad Browser. Mullvad Browser scores 90 out of 100 (grade A) on the browsers criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection, no calls to big-tech services and timely security updates. It does not meet independent audit. It is based in Sweden: Fourteen Eyes member; EU member (GDPR).

LibreWolf. LibreWolf scores 83 out of 100 (grade B) on the browsers criteria. It meets 6 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection and no calls to big-tech services. It partly meets timely security updates. It does not meet independent audit.

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