Checkly Monitor vs Checkmk: Which Should You Choose in 2026?
Choosing between Checkly Monitor and Checkmk comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Checkly Monitor
Unify testing, monitoring, and observability with an AI-native workflow for application reliability.
Best for you if:
- • You need testing & qa features specifically
- • Unifies testing, monitoring, and observability with a code-based approach.
- • Proactively detects issues with uptime and synthetic monitoring using Playwright.
Checkmk
Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.
Best for you if:
- • You need monitoring features specifically
- • Monitors entire IT infrastructure: cloud, data center, servers, networks, containers, applications.
- • Highly automated with auto-discovery, auto-configuration, and 2,000+ vendor-maintained plug-ins.
| At a Glance |  Checkly Monitor |  Checkmk |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Testing & QA | Monitoring |
Rating | —/100 | —/100 |
| Feature | Checkly Monitor | Checkmk |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | — | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Testing & QAMonitoring | MonitoringLog Management |
How Checkly Monitor and Checkmk Compare
Checkly Monitor
Unify testing, monitoring, and observability with an AI-native workflow for application reliability.
Free tier available
Checkmk
Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.
Free tier available
Checkly Monitor is a testing & qa tool. Checkmk is in monitoring.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Checkly Monitor
Want the highest-rated option?
Neither has been rated yet.
Go with: Checkly Monitor
Value user reviews?
Neither has user reviews yet.
Go with: Checkly Monitor
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Checkly Monitor is a testing & qa tool. Checkmk is in monitoring. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Checkly Monitor
- Free tier available
- Our pick for this comparison
Checkmk
- Better fit for monitoring
The Bottom Line
Checkly Monitor is our pick.
Frequently Asked Questions
Is Checkly Monitor or Checkmk better?
Checkly Monitor scores high/100 in our evaluation. Both are freemium.
What are Checkly Monitor and Checkmk used for?
Checkly Monitor: Unify testing, monitoring, and observability with an AI-native workflow for application reliability.. Checkmk: Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures..
What does Checkly Monitor cost vs Checkmk?
Checkly Monitor is freemium (free tier + paid plans). Checkmk is freemium (free tier + paid plans). Visit their websites for detailed pricing.