Oh Dear is a beautifully-made, developer-loved monitoring tool with strong uptime, certificate, broken-link and DNS checks, and excellent status pages. Its Pro plan is around $77/mo for 50 sites. CompleteStatus Pro covers 50 monitors at $19/mo, adds the security-header and email-authentication layer, and — importantly for agencies — lets you resell your status pages, which Oh Dear's terms do not.
| Feature | CompleteStatus | Oh Dear |
|---|---|---|
| 50 monitors / sites | $19/mo (Pro) | ≈ $77/mo (Pro) |
| Free tier | Yes — 10 monitors + security | No — trial only |
| Uptime + status page | Yes | Yes — excellent status pages |
| Certificate / SSL health | Yes | Yes — a strong Oh Dear area |
| Broken-link / mixed-content checks | Broken links yes (Page Health monitor); mixed-content no | Yes — both, a genuine Oh Dear strength |
| DNS monitoring | Yes | Yes |
| Resell status pages to clients | Yes — Agency tier | No — status pages can't be resold |
| TV / NOC wall dashboards (tokenized kiosk) | Yes — LiveStatus Walls, no login on the TV | No |
| Incident forensics (snapshot + traceroute + screenshot) | Yes — automatic on every confirmed incident | Partial — response details on failures |
| Security-header grading + remediation | Yes — unique | No |
| SPF/DKIM/DMARC monitoring | Yes — unique | No |
| Second-probe confirmation | Yes | Yes |
Choose Oh Dear if you love its polish, want its excellent mixed-content and scheduled-task checks, and don't need to resell monitoring — it's a superb tool for a single team monitoring its own sites.
Choose CompleteStatus if you want the same core coverage at roughly a quarter of the price, the freedom to resell white-label status pages and reports (which Oh Dear's terms prohibit), and the built-in security-header and SPF/DKIM/DMARC layer.