QQ Browser vs Waterfox
| QQ Browser | Waterfox | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $5/mo |
| Open source | No | Yes |
| Platforms | Windows, macOS, iOS | Android, extension, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Supported platforms | both | both |
| Browser engine | other | gecko |
| Open source | No | Yes |
| Built-in ad blocking | — | Yes |
| Tracking protection | — | advanced |
| Cross-device sync | — | Yes |
Both are listed in Best Web Browsers. On Inferse, Waterfox scores higher on our published basis.