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Datadog Logs vs PostHog

Datadog Logs logo

Datadog Logs

Software

Log Management and Analytics

From
$0.1/per GB ingested per month
Rated
-
Full reviewWebsite
PostHog logo

PostHog

Software

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only PostHog has a free tier, so it costs nothing to try first.
  • Each has a real cost: Datadog Logs complex, multi-tiered pricing model based on ingestion, indexing, and storage; can become expensive at scale; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • They diverge on capability: Datadog Logs covers Log ingestion, PostHog covers Product analytics.

Where they differ

Only the attributes on which Datadog Logs and PostHog actually diverge.

Attributes where Datadog Logs and PostHog differ
AttributeDatadog LogsPostHog
Starting price$0.1/per GB ingested per monthFree
Free tierNoYes
PlatformsCloud (AWS, Azure, Google Cloud, Oracle Cloud)Web, Ios, Android, Api
Founded20102020

Identical on both: pricing model (usage-based), 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 Logs

  • Log ingestion
  • Full-text search
  • Custom dashboards
  • Log-based metrics
  • API
  • Webhooks
  • REST
  • Web support

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

What people use each for

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

Datadog Logs

  • Centralised log aggregation and analysisnot PostHog
  • Multi-source log correlation with metrics and tracesnot PostHog
  • Root cause analysis and troubleshootingnot PostHog
  • Security monitoring and threat detectionnot PostHog

PostHog

  • Product analyticsnot Datadog Logs
  • Feature experimentationnot Datadog Logs
  • User behavior trackingnot Datadog Logs
  • A/B testingnot Datadog Logs
  • Debug production issuesnot Datadog Logs

Where each one falls short

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

Datadog Logs

  • Complex, multi-tiered pricing model based on ingestion, indexing, and storage; can become expensive at scale
  • Ingestion pricing of $0.10/GB can accumulate rapidly for high-volume logging environments

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Datadog Logs

$0.1/per GB ingested per month

No published plan breakdown. See the Datadog Logs review.

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Datadog Logs if

  • You need log ingestion.
  • You work on Cloud (AWS, Azure, Google Cloud, Oracle Cloud).
  • You also want full-text search.
Datadog Logs review

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.
PostHog review

Questions people ask

Is Datadog Logs or PostHog better?
Neither clearly leads. Datadog Logs starts at $0.1/per GB ingested per month and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Datadog Logs or PostHog?
PostHog has a free tier; the other does not. Paid plans start at $0.1/per GB ingested per month for Datadog Logs and Free for PostHog.
Does Datadog Logs or PostHog run on more platforms?
Datadog Logs runs on Cloud (AWS, Azure, Google Cloud, Oracle Cloud). PostHog runs on Web, Ios, Android, Api.
Can I use PostHog for free?
Yes. PostHog has a free tier, so you can try it without paying. Datadog Logs starts at $0.1/per GB ingested per month.
What is Datadog Logs best used for?
Datadog Logs is most often used for centralised log aggregation and analysis, multi-source log correlation with metrics and traces, root cause analysis and troubleshooting, security monitoring and threat detection. Of those, centralised log aggregation and analysis and multi-source log correlation with metrics and traces are not what PostHog is typically brought in for.
What can Datadog Logs do that PostHog cannot?
Datadog Logs covers Log ingestion, Full-text search, Custom dashboards, Log-based metrics. PostHog covers Product analytics, Session recording, Feature flags, A/B testing.
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