IronFox vs Sleipnir
| IronFox | Sleipnir | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | Yes | No |
| Platforms | Android | — |
| Free plan | Yes | Yes |
| Supported platforms | mobile | both |
| Tracking protection | Advanced tracking protection | — |
| Open source | Yes | — |
| Browser engine | — | chromium |
| Built-in ad blocking | — | Yes |
| Extension support | — | chrome_store |
| Cross-device sync | — | Yes |
Both are listed in Best Web Browsers. On Freedom251, IronFox scores higher on our published basis.