Control D vs Quad9
| Control D | Quad9 | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $2/mo | Free |
| Open source | No | No |
| Platforms | Android, api, extension, iOS, Linux, macOS, self-hosted, Web, Windows | Android, iOS, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Category filtering | — | No |
| Custom domain policies | — | No |
| Roaming protection | — | Yes |
| Activity reports | — | Yes |
Both are listed in Best DNS Filtering Software. On The Geeks Club, Quad9 scores higher on our published basis.