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Software · head to head

Confluent Cloud vs PostHog

C

Confluent Cloud

Software

The data streaming platform built on Apache Kafka, delivered as a fully managed cloud service

From
On request
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: Confluent Cloud basic tier caps at 1,500 partitions and 5TB storage per confluent.io pricing page (Aug 2026); Standard clusters start around $385 per month before usage; 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 Confluent Cloud and PostHog actually diverge.

Attributes where Confluent Cloud and PostHog differ
AttributeConfluent CloudPostHog
Starting priceOn requestFree
Pricing modelsubscriptionusage-based
Free tierNoYes
PlatformsWebWeb, Ios, Android, Api
FoundedUnknown2020

Identical on both: 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 Confluent Cloud

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.

Confluent Cloud

No use cases recorded yet. See the Confluent Cloud review.

PostHog

  • Product analyticsnot Confluent Cloud
  • Feature experimentationnot Confluent Cloud
  • User behavior trackingnot Confluent Cloud
  • A/B testingnot Confluent Cloud
  • Debug production issuesnot Confluent Cloud

Where each one falls short

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

Confluent Cloud

  • Basic tier caps at 1,500 partitions and 5TB storage per confluent.io pricing page (Aug 2026); Standard clusters start around $385 per month before usage
  • Enterprise tier eCKU-hour rate runs $1.75 to $2.25 versus $0.14 on Basic, per confluent.io, an over tenfold jump to reach mission critical features

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

Confluent Cloud

On request

No published plan breakdown. See the Confluent Cloud 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 Confluent Cloud if

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

Confluent Cloud 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 Confluent Cloud or PostHog better?
Neither clearly leads. Confluent Cloud 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, Confluent Cloud or PostHog?
PostHog has a free tier; the other does not. Paid plans start at On request for Confluent Cloud and Free for PostHog.
Does Confluent Cloud or PostHog run on more platforms?
Confluent Cloud 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. Confluent Cloud starts at On request.
What can Confluent Cloud do that PostHog cannot?
PostHog covers Product analytics, Session recording, Feature flags, A/B testing.
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