qikfox Safe Browser vs Vivaldi
| qikfox Safe Browser | Vivaldi | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux, Android, iOS | Android, extension, iOS, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Supported platforms | both | both |
| Cross-device sync | Yes | Yes |
| Browser engine | — | chromium |
| Built-in ad blocking | — | Yes |
| Extension support | — | chrome_store |
| Open source | — | No |
Both are listed in Best Web Browsers. On Inferse, Vivaldi scores higher on our published basis.