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Checkmk vs Datadog: Which is Better in 2026?

Choosing between Checkmk and Datadog 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.

Bottom line: Datadog wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks. Pick Checkmk if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Checkmk

Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.

Best for you if:

  • You want comprehensive monitoring across diverse IT environments (cloud, hybrid, data center)
  • You want high degree of automation reduces manual work (auto-discovery, auto-configuration)

Datadog

Cloud monitoring, security, and AI investigations for DevOps

Best for you if:

  • You want comprehensive platform
  • You want great visualizations
At a Glance
CheckmkCheckmk
DatadogDatadog
Starts at
FreeFree tier available
FreeFree tier available
Best For
MonitoringMonitoring
Rating
4.7/54.4/5
Free plan
Yes Yes

Choose Checkmk or Datadog?

Checkmk

Choose Checkmk if

Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.

  • You want comprehensive monitoring across diverse IT environments (cloud, hybrid, data center)
  • You want high degree of automation reduces manual work (auto-discovery, auto-configuration)
Datadog

Choose Datadog if

Cloud monitoring, security, and AI investigations for DevOps

  • You want comprehensive platform
  • You want great visualizations
FeatureCheckmkDatadog
Pricing ModelFreemiumFreemium
User Rating
4.7/5
344 reviews
4.4/5
726 reviews
Categories
MonitoringCloud & Infrastructure
MonitoringLog Management

In-Depth Analysis

CheckmkCheckmk

Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.

Starts at Free
Good value

Checkmk offers a generous free 'Raw' tier, making it accessible for small teams or individuals.

Watch out

Potential for increased costs with more monitored hosts/services.

Strengths

  • +Comprehensive monitoring across diverse IT environments (cloud, hybrid, data center)
  • +High degree of automation reduces manual work (auto-discovery, auto-configuration)
  • +Massively scalable architecture supports millions of services
  • +Extensible with open source code and custom plug-ins
  • +Rich feature set including advanced alerting, dashboards, and business intelligence

Weaknesses

  • -The free 'Raw' edition is for mid-sized infrastructures, implying limitations for very small setups or advanced features.

Key features

High Performance Core for scalable monitoringREST API for automation and host auto-registrationGranular access control, encryption, and 2FA for security2,000+ vendor-maintained monitoring plug-insAutomated acquisition of health statuses and metricsPre-defined thresholds for out-of-the-box health assessment

DatadogDatadog

Cloud monitoring, security, and AI investigations for DevOps

Starts at Free
Fair value

Datadog is the most comprehensive observability platform, infrastructure monitoring, APM, logs, RUM, security, and 750+ integrations in one place.

Watch out

APM requires Infrastructure Monitoring on the SAME hosts: you cannot buy APM alone. APM Pro ($35/host) + Infra Pro ($15/host) = $50/host minimum. Most pricing pages only show the APM price

Strengths

  • +Comprehensive platform
  • +Great visualizations
  • +700+ integrations

Weaknesses

  • -Complex pricing
  • -Can be expensive

Key features

Infrastructure monitoringAPMLog managementReal user monitoringSecurity monitoringML-based alerts

Pricing: Checkmk vs Datadog

PlanCheckmkDatadog
Tier 1
Free forever
Raw
Free
Free
Tier 2
$175/month
Enterprise
$15 /host/month (annual)
Infrastructure Pro
Tier 3
$250/month
Cloud
$23 /host/month (annual)
Infrastructure Enterprise
Tier 4
$275/month
MSP
$31 /host/month (annual, with Infra)
APM
Tier 5
$240/month
Cloud SaaS
$40 /host/month (annual, with Infra)
APM Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Checkmk pricing and Datadog pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: Checkmk

Want the highest-rated option?

Checkmk: 4.7/5 (344 reviews). Datadog: 4.4/5 (726 reviews).

Go with: Checkmk

Value user reviews?

Checkmk: 344 reviews (4.7/5). Datadog: 726 reviews (4.4/5).

Go with: Datadog

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Both are monitoring tools. Compare their specific features to decide.

3

How important are ratings?

Checkmk is rated higher: 4.7/5 vs 4.4/5.

Key Takeaways

Datadog

  • Larger review base (726 reviews)
  • Free tier available
  • Our pick for this comparison

Checkmk

  • Higher user rating: 4.7/5 vs 4.4/5

The Bottom Line

Datadog wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks.

Frequently Asked Questions

Is Checkmk or Datadog better?

Datadog is rated in our evaluation. Both are freemium.

What are Checkmk and Datadog used for?

Checkmk: Comprehensive IT monitoring platform for cloud, hybrid, and data center infrastructures.. Datadog: Cloud monitoring, security, and AI investigations for DevOps.

What does Checkmk cost vs Datadog?

Checkmk is freemium (free tier + paid plans). Datadog is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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