Pick Fullstory if
uX / product teams who will stay on FullstoryFree at $0 (30k sessions, 10 users) while they open a first Session Playlist, then request a paid quote when they need Dashboards or StoryAI.
Read the Fullstory pageFullstory vs PostHog
Our take
Pick Fullstory if uX / product teams who will stay on FullstoryFree at $0 (30k sessions, 10 users) while they open a first Session Playlist, then request a paid quote when they need Dashboards or StoryAI. Pick PostHog if product / eng teams who will stay on Cloud Free $0 (1M events, 5K replays, 1M flag requests, 1,500 surveys, 100K exceptions, 1 project, no card) while they ask a first Insight, then raise a billing
Best for
Fullstory A replay list you start at $0
PostHog Product events you start at $0
Free plan
Fullstory $0 · no credit card. 30,000 sessions / month. 12 months analytics retention. Up to 10 users. Session Replay, basic analytics, debugging tools
PostHog $0 · for the public app. You run it. Cloud US (Virginia) or EU (Frankfurt) on the hosted path
Lowest paid
Fullstory Not published by the vendor
PostHog Logs retention $0.05
Next step up
Fullstory
PostHog Setup call $80
Runs where
Fullstory Hosted
PostHog Local; you host it
Watch out
Fullstory Paid plans hid every dollar
PostHog Free is 1 project and 1M events
Last checked
Fullstory 2026-10-23 · fullstory.com/pricing
PostHog 2026-10-22 · posthog.com/pricing
Which one, then?
Pick PostHog if
product / eng teams who will stay on Cloud Free $0 (1M events, 5K replays, 1M flag requests, 1,500 surveys, 100K exceptions, 1 project, no card) while they ask a first Insight, then raise a billing limit when a launch week would freeze at the cap — or self-host when they will run the stack.
Read the PostHog page