Mullvad Browser vs Vivaldi: privacy compared
Mullvad Browser and Vivaldi are both rated in browsers against the same 8 public criteria. Mullvad Browser does better on open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection and no calls to big-tech services. Mullvad Browser is based in Sweden (Fourteen Eyes); Vivaldi is based in Norway (Nine Eyes).
| Criterion | Mullvad Browser Our pick | Vivaldi |
|---|---|---|
| Grade | Grade A A (90/100) | Grade F F (28/100) |
| Jurisdiction | Sweden Fourteen Eyes | Norway Nine Eyes |
| Open source Is all the source code needed to run the product public? | Yes source | Partial 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 source | No source |
| No ads or data sales Is the product funded without advertising, ad targeting or selling user data? | Yes source | Partial source |
| Independent audit Has an independent security or privacy audit been published within the last three years? | No | No |
| Blocks trackers by default Are third-party trackers blocked by default, without installing extensions? | Yes source | No source |
| Fingerprinting protection Does the browser defend against fingerprinting by default? | Yes source | No |
| No calls to big-tech services Does the browser work without background connections to Google, Microsoft or Apple services? | Yes source | No source |
| Timely security updates Are security fixes from the upstream engine shipped quickly and automatically? | Yes source | Yes source |
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).
Vivaldi. Vivaldi scores 28 out of 100 (grade F) on the browsers criteria. It meets 1 of 8 criteria: timely security updates. It partly meets open source and no ads or data sales. It does not meet no trackers or telemetry, independent audit, blocks trackers by default, fingerprinting protection and no calls to big-tech services. It is based in Norway: Nine Eyes member; EEA member (GDPR).