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Mullvad Browser vs Ungoogled Chromium: privacy compared

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

Mullvad Browser compared with Ungoogled Chromium
CriterionMullvad Browser Our pickUngoogled Chromium Our pick
GradeGrade A A (90/100)Grade C C (63/100)
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 sourceNo
Fingerprinting protection
Does the browser defend against fingerprinting by default?
Yes sourcePartial 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 Ungoogled Chromium?

Mullvad Browser scores higher on the public criteria: 90 out of 100, against 63 for Ungoogled Chromium. Mullvad Browser does better on blocks trackers by default, fingerprinting protection and 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).

Ungoogled Chromium. Ungoogled Chromium scores 63 out of 100 (grade C) on the browsers criteria. It meets 4 of 8 criteria: open source, no trackers or telemetry, no ads or data sales and no calls to big-tech services. It partly meets fingerprinting protection and timely security updates. It does not meet independent audit and blocks trackers by default.

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