Frost vs Mullvad Browser
| Frost | Mullvad Browser | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | Yes |
| Platforms | Android | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Supported platforms | mobile | both |
| Built-in ad blocking | Yes | Yes |
| Browser engine | — | gecko |
| Tracking protection | — | advanced |
| Cross-device sync | — | No |
| Open source | — | Yes |
Both are listed in Best Web Browsers. On Specifiction, Mullvad Browser scores higher on our published basis.