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Open-source product analytics with event tracking, feature flags, and session recording

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Reviews onG2
1036 reviews tracked·4 press mentions

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Open source

Biggest con

Complex setup

TL;DR - PostHog

  • All-in-one product OS (analytics, flags, replay)
  • Open source and self-hostable
  • Generous free tier with 1M events
Pricing: Free plan available
Best for: Growing teams
4.5/5 across review platforms

What is PostHog?

Editorial review
PostHog is an open-source product analytics platform you can self-host. Event tracking, feature flags, and session recording in one platform. Funnels, cohorts, and trends analyze user behavior. Feature flags control rollouts. Self-host for complete data control. The all-in-one product toolkit that respects your data sovereignty.

Available on: Web

Pros & Cons

Pros

  • Open source
  • All-in-one
  • Self-hostable

Cons

  • Complex setup
  • Can get expensive

Ratings Across the Web

4.5(1,036 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Product analyticsFeature flagsSession recordingA/B testingSurveysData warehouseApps/pluginsAPI

Pricing Plans

Pricing checked May 29, 2026

Free

Free

  • 1M events/month
  • 5K session replays
  • 1M feature flag requests
  • Unlimited seats

Usage-Based

Custom

  • $0.00005/event after free tier
  • Pay per product
  • Self-hosted option

Scale

$750/month

  • Priority support
  • SAML authentication
  • Advanced controls

How PostHog's pricing compares

At $750/mo, PostHog is the most premium of its 3 direct competitors.

$300
PostHog
$750

Entry paid plan, monthly. Pricing checked May 29, 2026.

Reviews

4.5/5

Across 1,036 verified user reviews on G2

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PostHog FAQ

Is PostHog free?

Generous free tier with 1M events/month.

Source: posthog.com

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