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Software · head to head

Datadog vs Fathom Analytics

Datadog logo

Datadog

Software

Modern monitoring & security

From
$15/month
Rated
-
Full reviewWebsite
Fathom Analytics logo

Fathom Analytics

Software

Website analytics made simple

From
$14/month
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; Fathom Analytics there is no free tier, only a 7 day trial
  • They diverge on capability: Datadog covers Infrastructure monitoring, Fathom Analytics covers Page view tracking.

Where they differ

Only the attributes on which Datadog and Fathom Analytics actually diverge.

Attributes where Datadog and Fathom Analytics differ
AttributeDatadogFathom Analytics
Starting price$15/month$14/month
Pricing modelUnknownsubscription
PlatformsWeb, Linux, Windows, macOSWeb
Founded20102014

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

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 Fathom Analytics

  • Page view tracking
  • Goal tracking
  • Real-time analytics
  • Referrer tracking
  • Privacy-focused
  • GDPR compliant
  • Cloud deployment
  • Web support

What people use each for

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

Datadog

  • Infrastructure monitoringnot Fathom Analytics
  • Application performancenot Fathom Analytics
  • Security monitoringnot Fathom Analytics
  • Log analysisnot Fathom Analytics
  • Cloud monitoringnot Fathom Analytics

Fathom Analytics

  • Privacy-focused web analytics without cookie bannersnot Datadog
  • A lightweight Google Analytics replacementnot Datadog
  • Tracking many sites from one accountnot Datadog
  • Long-term historical reporting while subscribednot Datadog

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

Fathom Analytics

  • There is no free tier, only a 7 day trial
  • Priced on pageviews, from $45 a month at the 500,000 pageview level
  • Custom events count against the pageview allowance rather than being tracked separately
  • Site allowances come in packs, with additional 50-site packs at $10 a month
  • Data is retained forever only while the subscription is active

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

Fathom Analytics

$14/month
  • Starter$14/month
    • Unlimited page views
    • 1 site
    • Real-time analytics

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 Fathom Analytics if

  • You need page view tracking.
  • You also want goal tracking.
Fathom Analytics review

Questions people ask

Is Datadog or Fathom Analytics better?
Neither clearly leads. Datadog starts at $15/month and Fathom Analytics at $14/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Datadog or Fathom Analytics?
Datadog starts at $15/month and Fathom Analytics at $14/month.
Does Datadog or Fathom Analytics run on more platforms?
Datadog runs on Web, Linux, Windows, macOS. Fathom Analytics 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 Fathom Analytics is typically brought in for.
What can Datadog do that Fathom Analytics cannot?
Datadog covers Infrastructure monitoring, Application performance monitoring, Log management, Real user monitoring. Fathom Analytics covers Page view tracking, Goal tracking, Real-time analytics, Referrer tracking.

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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