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FullStory vs PostHog

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

Digital experience and session replay.

The open-source product OS.

The verdict

Both FullStory and PostHog are credible product analytics tools, and the right pick comes down to your priorities.

FullStory — Digital experience and session replay.

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

FullStory vs PostHog: side by side

DimensionFullStoryPostHog
Starting priceFreeFree
Free planYesYes
Pricing modelSubscriptionFreemium
Best forProduct Teams, Ux TeamsStartups, Product Teams, Developers
PlatformsWeb, ApiWeb, Self Hosted, Api
Rating4.5/54.7/5Winner

FullStory key facts

Vendor
FullStory
Pricing
Subscription — Free
Free tier
Yes
Platforms
Web, Api
Best for
Product Teams, Ux Teams
Editor rating
4.5 / 5
Founded
2014
Headquarters
Atlanta, GA, 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 FullStory 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 FullStory or PostHog cheaper?

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

Can FullStory replace PostHog?

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