Checkmate vs Down Device
| Checkmate | Down Device | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Web |
| Free plan | Yes | Yes |
| Paid from | — | 9 /mo |
| Check interval | — | 15 minutes |
| Resolution checks | — | Yes |
| Record-change alerts | — | Yes |
| Alert channels | — | email, SMS |
Both are listed in Best DNS Monitoring Software. On Freedom251, Checkmate scores higher on our published basis.