Firefox vs Mullvad Browser Comparison
| Feature | ||
|---|---|---|
| Overview | ||
| Rating | 6.7 | 8.4 |
| Established | 2004 | 2023 |
| Platforms |  Windows macOS Linux AndroidiOS | WindowsmacOSLinux |
| Privacy | ||
| Source code | Fully open source | Fully open source |
| Telemetry | On unless you opt out | No telemetry |
| Anti-fingerprinting | Basic | Aggressive |
| Ad/tracker block built-in | No | Yes |
| End-to-end encrypted sync | Yes | No |
| Independent security audit | None on record | None on record |
| Technical | ||
| Engine | Gecko | 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. |
| Default search | Google/Yandex/Baidu | DuckDuckGo |
| Built-in VPN/proxy | Yes | No |
