Side by side
Checkmate vs Domain Monitor
Both stand on dns monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+3
Checkmate brings service checks, server metrics, PageSpeed tracking, and incident alerts into a self-hosted dashboard. It includes all features without monitor limits, but users give up managed cloud and must handle deployment themselves.
Visit Checkmate
Free plan AndroidAPIWeb
Domain Monitor covers domains, uptime and related infrastructure, with a free tier and a larger Pro allowance. Check the free plan limits and the first-month pricing change before choosing Pro.
Visit Domain MonitorThe facts
| Checkmate | Domain Monitor | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | API, Linux, Mac, Self-hosted, Web, Windows | Android, API, Web |
| Lowest paid plan | Free or on request | Pro: £6.39 a month |
| Plans published | 1 | 5 |
| Maker | Checkmate | Not published |
| Website | checkmate.so | domain-monitor.io |
| On dns monitoring software | #1 of 37 | #5 of 37 |
Checkmate: what it does well
- No monitor limits on the free plan
- Checks many service and game server types
- Tracks server hardware metrics
- Public status dashboards support custom branding
- Metrics and accounts stay in the configured database
What to know first
- Self-hosting is required
- No one-click migration import
- No paid support tier
- Free plan lists 12 alert channels
Domain Monitor: what it does well
- Free plan includes two monitors
- Tracks WHOIS records and domain expiration
- Alerts available through multiple channels
- Contacts can receive alerts without accounts
- Includes free traceroute and ping-test tools
What to know first
- Free plan covers one domain
- Free checks run every five minutes
- Domain crawls can take up to 48 hours
Alternatives to Checkmate Alternatives to Domain Monitor The whole list