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Software · head to head

PostHog vs Confluent Cloud

PostHog logo

PostHog

Software

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

From
Free
Rated
-
Full reviewWebsite
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

The short version

  • Only PostHog has a free tier, so it costs nothing to try first.
  • Each has a real cost: PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts; 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

Where they differ

Only the attributes on which PostHog and Confluent Cloud actually diverge.

Attributes where PostHog and Confluent Cloud differ
AttributePostHogConfluent Cloud
Starting priceFreeOn request
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsWeb, Ios, Android, ApiWeb
Founded2020Unknown

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 PostHog

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

Only in Confluent Cloud

Nothing recorded that PostHog does not also cover.

What people use each for

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

PostHog

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

Confluent Cloud

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

Where each one falls short

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

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

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

Pricing, plan by plan

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

Confluent Cloud

On request

No published plan breakdown. See the Confluent Cloud review.

Which should you pick?

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

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

Questions people ask

Is PostHog or Confluent Cloud better?
Neither clearly leads. PostHog starts at Free and Confluent Cloud at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PostHog or Confluent Cloud?
PostHog has a free tier; the other does not. Paid plans start at Free for PostHog and On request for Confluent Cloud.
Does PostHog or Confluent Cloud run on more platforms?
PostHog runs on Web, Ios, Android, Api. Confluent Cloud runs on Web.
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 is PostHog best used for?
PostHog is most often used for product analytics, feature experimentation, user behavior tracking, a/b testing. Of those, product analytics and feature experimentation are not what Confluent Cloud is typically brought in for.
What can PostHog do that Confluent Cloud cannot?
PostHog covers Product analytics, Session recording, Feature flags, A/B testing.
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Related pages

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