Our take
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. Pick Unleash if platform / product teams who will self-host OSS at $0 (1 project, 2 environments, 5,000 flags,
Best for
PostHog Product events you start at $0
Unleash Flags you start at $75 Cloud or OSS $0
Free plan
PostHog $0 · for the public app. You run it. Cloud US (Virginia) or EU (Frankfurt) on the hosted path
Unleash $0 · no seat limit. 1 project. 2 environments. 5,000 feature flags per instance. Core flags only — no SSO, SCIM, granular RBAC, change-request approvals, or support SLA
Lowest paid
PostHog Logs retention $0.05
Unleash Not published by the vendor
Next step up
PostHog Setup call $80
Unleash
Runs where
PostHog Local; you host it
Unleash Local; you host it
Watch out
PostHog Free is 1 project and 1M events
Unleash $75 is per Unleash seat, with Cloud API overage at $5/million after 53M
Last checked
PostHog 2026-10-22 · posthog.com/pricing
Unleash 2026-10-22 · getunleash.io/pricing
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 pageplatform / product teams who will self-host OSS at $0 (1 project, 2 environments, 5,000 flags, no SSO) while they ship a first kill switch, or start the 14-day Cloud trial and land on Pay-As-You-Go at $75/seat/month when they need SSO, change requests, and a 99.9% uptime card.
Read the Unleash page
