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Google Analytics 4 vs PostHog

Updated June 2026 · A structured head-to-head comparison.

The standard for web analytics.

The open-source product OS.

The verdict

Both Google Analytics 4 and PostHog are credible web analytics tools, and the right pick comes down to your priorities.

Google Analytics 4 — The standard for web analytics.

Choose PostHog if you'd rather have a higher overall rating (4.7/5). The open-source product OS.

Google Analytics 4 vs PostHog: side by side

DimensionGoogle Analytics 4PostHog
Starting priceFreeFree
Free planYesYes
Pricing modelFreemiumFreemium
Best forEveryone, MarketersStartups, Product Teams, Developers
PlatformsWeb, ApiWeb, Self Hosted, Api
Rating4.5/54.7/5Winner

Google Analytics 4 key facts

Vendor
Google
Pricing
Freemium — Free
Free tier
Yes
Platforms
Web, Api
Best for
Everyone, Marketers
Editor rating
4.5 / 5
Founded
2005
Headquarters
Mountain View, CA, USA

PostHog key facts

Vendor
PostHog
Pricing
Freemium — Free
Free tier
Yes
Platforms
Web, Self Hosted, Api
Best for
Startups, Product Teams, Developers
Editor rating
4.7 / 5
Founded
2020
Headquarters
San Francisco, CA, USA

Frequently asked questions

Is Google Analytics 4 better than PostHog?

Neither is universally better — PostHog edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Google Analytics 4 or PostHog cheaper?

Google Analytics 4 is the more affordable of the two to get started, at free. Google Analytics 4 starts at free; PostHog starts at free.

Can Google Analytics 4 replace PostHog?

Yes for most teams — both are web analytics tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.