What is the difference between PostHog and Matomo?

PostHog is best for Product teams that need analytics, session replay, and feature flags in one tool, while Matomo is best for Organizations wanting full Google Analytics replacement with privacy. PostHog starts at Free and Matomo starts at Free.

Is PostHog or Matomo cheaper?

PostHog starts at Free and is free. Matomo starts at Free and is free.

Is there a free alternative to Matomo?

Both PostHog and Matomo offer free tiers.

PostHog vs Matomo

PostHog is open-source product analytics suite with session replay, feature flags, A/B testing, and surveys, while Matomo is open-source web analytics platform that gives you full control over your data. PostHog is built for product teams that need analytics, session replay, and feature flags in one tool, whereas Matomo targets organizations wanting full google analytics replacement with privacy.

At a glance

	PostHog	Matomo
Best for	Product teams that need analytics, session replay, and feature flags in one tool	Organizations wanting full Google Analytics replacement with privacy
Starting price	Free	Free
Free tier	✓	✓
Open source	✓	✓
Free tier available	✓	✓
Open source	✓	✓
A/B Testing	✓	—
Feature Flags	✓	—
GDPR	—	✓
Heatmaps	—	✓
Open Source	—	✓
Product Analytics	✓	—
Self-Hosted	—	✓
Session Replay	✓	—
Surveys	✓	—

PostHog

Strengths

All-in-one: analytics, session replay, feature flags, A/B tests
Generous free tier (1M events/mo)
Open source and self-hostable
Strong developer experience

Weaknesses

Can be overwhelming — lots of features
Self-hosting requires significant infrastructure
UI has a learning curve
Some features less mature than best-in-class alternatives

Try PostHog → Full review

Matomo

Strengths

Open source and transparent
Open-source codebase gives you full transparency and community-driven development
Fully open-source — you can self-host, audit the code, and avoid vendor lock-in
The core product is free with no paywalled essentials

Weaknesses

May lack some advanced features
Self-hosting is free but requires server maintenance and DevOps knowledge
Self-hosting requires Linux admin skills and ongoing server maintenance
Data accuracy depends on tracking setup — misconfigured events give misleading results

Try Matomo → Full review

The bottom line

Pricing: Both PostHog and Matomo are free, so this decision comes down to features and philosophy rather than budget.

Feature gaps: PostHog offers A/B Testing, Feature Flags and Product Analytics that Matomo lacks. Matomo brings GDPR, Heatmaps and Open Source that PostHog does not have.

Team fit: Both tools target any size teams, so the decision hinges on features and workflow fit rather than scale.

Open source: Both PostHog and Matomo are open source, so self-hosting and code audits are on the table with either choice.

Where each tool shines: PostHog's biggest strengths are: all-in-one: analytics, session replay, feature flags, a/b tests. generous free tier (1m events/mo). Matomo's biggest strengths are: open source and transparent. open-source codebase gives you full transparency and community-driven development.

Watch out for: With PostHog, users commonly note that can be overwhelming — lots of features. With Matomo, the main complaint is that may lack some advanced features.

Choose PostHog if...

You need a tool built for product teams that need analytics, session replay, and feature flags in one tool
You specifically need A/B Testing and Feature Flags
You care about generous free tier (1m events/mo)

Choose Matomo if...

Your profile matches its sweet spot: organizations wanting full google analytics replacement with privacy
You specifically need GDPR and Heatmaps
You care about open-source codebase gives you full transparency and community-driven development