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Datadog vs Checkmk

Datadog logo

Datadog

Technology

Modern monitoring & security

From
$15/month
Rated
-
Full reviewWebsite
Checkmk logo

Checkmk

Technology

Comprehensive IT monitoring, open and flexible

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Datadog consumption-based pricing model makes costs hard to predict and can scale quickly; Checkmk pricing is metered per service (each individual metric or sensor monitored) rather than per host, so cost scales with monitoring depth, not just server count

Where they differ

Only the attributes on which Datadog and Checkmk actually diverge.

Attributes where Datadog and Checkmk differ
AttributeDatadogCheckmk
Starting price$15/monthOn request
Pricing modelUnknownsubscription
PlatformsWeb, Linux, Windows, macOSWeb
Founded2010Unknown

Identical on both: free tier (No), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Datadog

  • Infrastructure monitoring
  • Application performance monitoring
  • Log management
  • Real user monitoring
  • Synthetic monitoring
  • Security monitoring
  • Network monitoring
  • Serverless monitoring

Only in Checkmk

Nothing recorded that Datadog does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Datadog

  • Infrastructure monitoringnot Checkmk
  • Application performancenot Checkmk
  • Security monitoringnot Checkmk
  • Log analysisnot Checkmk
  • Cloud monitoringnot Checkmk

Checkmk

No use cases recorded yet. See the Checkmk review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Datadog

  • Consumption-based pricing model makes costs hard to predict and can scale quickly
  • Add-on modules significantly increase costs: custom metrics, indexed spans, extended retention
  • No free tier for production monitoring
  • High costs for organizations with large amounts of log data or high-cardinality metrics

Checkmk

  • Pricing is metered per service (each individual metric or sensor monitored) rather than per host, so cost scales with monitoring depth, not just server count
  • Pro edition starts at 190 euro per month billed annually, and Ultimate at 275 euro per month billed annually; prices are published in euros only
  • The CloudAI SaaS edition is capped at 50,000 services even though self-hosted Pro and Ultimate scale to over 100,000 hosts

Pricing, plan by plan

Datadog

$15/month
  • Infrastructure Monitoring$15/month
    • Host monitoring
    • Basic dashboards
  • APM$31/month
    • Application performance monitoring
    • Trace collection
  • Log Management$0.1/gb
    • Log indexing
    • Search and filter

Checkmk

On request

No published plan breakdown. See the Checkmk review.

Which should you pick?

Choose Datadog if

  • You need infrastructure monitoring.
  • You work on Web, Linux, Windows, macOS.
  • You also want application performance monitoring.
Datadog review

Choose Checkmk if

Nothing in the data separates Checkmk from Datadog on the points above - pick on price and on how each one feels to use.

Checkmk review

Questions people ask

Is Datadog or Checkmk better?
Neither clearly leads. Datadog starts at $15/month and Checkmk at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Datadog or Checkmk?
Datadog starts at $15/month and Checkmk at On request.
Does Datadog or Checkmk run on more platforms?
Datadog runs on Web, Linux, Windows, macOS. Checkmk runs on Web.
What is Datadog best used for?
Datadog is most often used for infrastructure monitoring, application performance, security monitoring, log analysis. Of those, infrastructure monitoring and application performance are not what Checkmk is typically brought in for.
What can Datadog do that Checkmk cannot?
Datadog covers Infrastructure monitoring, Application performance monitoring, Log management, Real user monitoring.

Answered from the vendors’ own pages

Datadog: How is Datadog pricing structured?

Datadog uses consumption-based pricing tied to data volume ingested, hosts monitored, and products enabled. Infrastructure Monitoring starts at $15/host/month, APM at $31/host/month, and Log Management at $0.10/GB for indexed logs.

Source
Datadog: Does Datadog offer a free tier?

Datadog offers a free trial but not a permanent free tier for production monitoring. Pricing begins with paid plans only.

Source
Datadog: What integrations does Datadog support?

Datadog offers 1000+ built-in integrations including AWS, Kubernetes, Docker, Azure, GCP, and most major cloud platforms and services.

Source
Datadog: Can Datadog monitor Kubernetes clusters?

Yes. The Datadog Agent runs as a DaemonSet to provide real-time visibility into pods, nodes, deployments, and control-plane health across major Kubernetes distributions including EKS, AKS, GKE, OpenShift, and others.

Source
Datadog: How can I reduce Datadog costs?

Datadog bills based on indexed logs, custom metrics, and high-cardinality tags. Costs can be unpredictable and may run 2-3x estimates. Prepaying annually can secure 5-15% discounts.

Source
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