What is the difference between Plausible and PostHog?

Plausible is best for Privacy-conscious sites that want simple, clean analytics, while PostHog is best for Product teams that need analytics, session replay, and feature flags in one tool. Plausible starts at $9/mo and PostHog starts at Free.

Is Plausible or PostHog cheaper?

Plausible starts at $9/mo. PostHog starts at Free and is free.

Is there a free alternative to Plausible?

Yes, PostHog offers a free tier.

Plausible vs PostHog

Plausible is privacy-friendly, lightweight web analytics. No cookies, GDPR-compliant out of the box, while PostHog is open-source product analytics suite with session replay, feature flags, A/B testing, and surveys. The biggest difference up front: PostHog is free, while Plausible starts at $9/mo. Plausible is built for privacy-conscious sites that want simple, clean analytics, whereas PostHog targets product teams that need analytics, session replay, and feature flags in one tool.

At a glance

	Plausible	PostHog
Best for	Privacy-conscious sites that want simple, clean analytics	Product teams that need analytics, session replay, and feature flags in one tool
Starting price	$9/mo	Free
Free tier	—	✓
Open source	✓	✓
Free tier available	—	✓
Open source	✓	✓
A/B Testing	—	✓
Cookieless	✓	—
Feature Flags	—	✓
Goal Tracking	✓	—
Lightweight Script	✓	—
Privacy First	✓	—
Product Analytics	—	✓
Self-Hosted	✓	—
Session Replay	—	✓
Surveys	—	✓

Plausible

Strengths

Privacy-first — no cookies, no consent banners needed
Lightweight script under 1KB
Beautiful, simple dashboard
Open source, self-hostable

Weaknesses

Much less feature-rich than Google Analytics
No free tier (except self-hosted)
Limited segmentation and funnel analysis
No built-in A/B testing

Try Plausible → Full review

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

The bottom line

Pricing: PostHog is completely free, which makes it the obvious pick if budget is the top concern. Plausible starts at $9/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Plausible offers Cookieless, Goal Tracking and Lightweight Script that PostHog lacks. PostHog brings A/B Testing, Feature Flags and Product Analytics that Plausible does not have.

Team fit: Plausible is geared toward small teams teams, while PostHog is aimed at any size teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

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

Where each tool shines: Plausible's biggest strengths are: privacy-first — no cookies, no consent banners needed. lightweight script under 1kb. PostHog's biggest strengths are: all-in-one: analytics, session replay, feature flags, a/b tests. generous free tier (1m events/mo).

Watch out for: With Plausible, users commonly note that much less feature-rich than google analytics. With PostHog, the main complaint is that can be overwhelming — lots of features.

Choose Plausible if...

You need a tool built for privacy-conscious sites that want simple, clean analytics
You specifically need Cookieless and Goal Tracking
You care about lightweight script under 1kb
Your team size fits the small teams profile Plausible is designed for

Choose PostHog if...

You need a tool built for product teams that need analytics, session replay, and feature flags in one tool
Budget is a hard constraint — PostHog is free, Plausible is not
You specifically need A/B Testing and Feature Flags
You care about generous free tier (1m events/mo)
Your team size fits the any size profile PostHog is designed for