Technology · head to head
Checkmk vs PostHog

Checkmk
Technology
Comprehensive IT monitoring, open and flexible
- From
- On request
- Rated
- -

PostHog
Technology
The single platform to analyze, test, observe, and deploy new features
- From
- Free
- Rated
- -
The short version
- Only PostHog has a free tier, so it costs nothing to try first.
- Each has a real cost: 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; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
Where they differ
Only the attributes on which Checkmk and PostHog actually diverge.
Identical on both: 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 Checkmk
Nothing recorded that PostHog does not also cover.
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.
Checkmk
No use cases recorded yet. See the Checkmk review.
PostHog
- Product analyticsnot Checkmk
- Feature experimentationnot Checkmk
- User behavior trackingnot Checkmk
- A/B testingnot Checkmk
- Debug production issuesnot Checkmk
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
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
Checkmk
On requestNo published plan breakdown. See the Checkmk 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 Checkmk if
Nothing in the data separates Checkmk from PostHog on the points above - pick on price and on how each one feels to use.
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.
Questions people ask
- Is Checkmk or PostHog better?
- Neither clearly leads. Checkmk starts at On request and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Checkmk or PostHog?
- PostHog has a free tier; the other does not. Paid plans start at On request for Checkmk and Free for PostHog.
- Does Checkmk or PostHog run on more platforms?
- Checkmk runs on Web. 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. Checkmk starts at On request.
- What can Checkmk do that PostHog cannot?
- PostHog covers Product analytics, Session recording, Feature flags, A/B testing.
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- PostHog vs Amplitude
- PostHog vs Datadog
- PostHog vs PyCharm
- PostHog vs Sketch
- PostHog vs Docker
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