Mullvad Browser vs Tor Browser Comparison
| Feature | ||
|---|---|---|
| Overview | ||
| Rating | 8.4 | 8.3 |
| Established | 2023 | 2008 |
| Platforms |  Windows macOS Linux | WindowsmacOSLinux Android |
| Privacy | ||
| Source code | Fully open source | Fully open source |
| Telemetry | No telemetry | No telemetry |
| Anti-fingerprinting | Aggressive | Aggressive |
| Ad/tracker block built-in | Yes | No |
| End-to-end encrypted sync | No | No |
| Independent security audit | None on record | Cure53 2023Show audit detailsHide audit details72-day penetration test and code audit of Tor Browser and the censorship-circumvention tools around it (bridge connection methods, OONI Probe, rdsys, BridgeDB, Conjure); two high-severity issues, both in bridge-distribution backends rather than the browser, fixed afterwards |
| Technical | ||
| Engine | Firefox ESRShow detailsHide detailsForked from Tor Browser, which is itself built on Firefox ESR — Mullvad Browser keeps the anti-fingerprinting stack but drops the Tor network routing and Tor's onion-service patches. | Firefox ESR |
| Default search | DuckDuckGo | DuckDuckGo |
| Built-in VPN/proxy | No | Not specified |
