PostHog vs Segment
What each one’s own pages state, side by side. Every value is a quote AirStack found on that product’s pages; “Not observed” means AirStack has not found it on that product’s pages.
| PostHog | Segment | |
|---|---|---|
| What it says it does | PostHog ingests and stores your analytics, errors, replays, and business data so you and your agents can query and act on it. posthog.com | Collect, clean and activate your customer data in any tool to create context-driven experiences. segment.com |
| Starting at | Not observed | Not observed |
| Deployment | PostHog Cloud, self-hosting posthog.com | Not observed |
| Integrations | HubSpot, Postgres, Stripe posthog.com | Not observed |
| Compliance | CCPA, GDPR, HIPAA, SOC 2 posthog.com | HIPAA segment.com |
| Free plan | Yes posthog.com | Yes segment.com |
| Plans | Not observed | Customer Data Pipeline (Business), Customer Data Platform segment.com |
| Open source | Yes posthog.com | Not observed |
| License | It is MIT licensed if you want to use it in a big organization that isn’t ready to move to PostHog Web yet. posthog.com | Not observed |
| Pricing basis | Usage-based pricing posthog.com | Both plans are priced based on monthly tracked users (MTUs) segment.com |
| Customers (their claim) | Join 500,000+ teams already shipping with PostHog. posthog.com | Join the 25,000+ companies using the Twilio Segment platform segment.com |
Where they differ
- PostHog’s pages state that it is open source; AirStack has not found that on Segment’s pages.
- PostHog claims GDPR on its own pages; Segment’s pages read by AirStack do not mention it.
- PostHog claims SOC 2 on its own pages; Segment’s pages read by AirStack do not mention it.
Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.