Checkmate vs Hardenize
| Checkmate | Hardenize | |
|---|---|---|
| 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 | No |
| Check interval | — | 1,440 minutes |
| Resolution checks | — | Yes |
| Nameserver health checks | — | Yes |
Both are listed in Best DNS Monitoring Software. On Samsung Mobile US Press, Checkmate scores higher on our published basis.