PostHog vs Sigma
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 | Sigma | |
|---|---|---|
| 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 | Build analytics, apps, and agents on live warehouse data, with governance inherited at the source. sigmacomputing.com |
| Starting at | Not observed | Not observed |
| Deployment | PostHog Cloud, self-hosting posthog.com | Not observed |
| Integrations | HubSpot, Postgres, Stripe posthog.com | AWS, Azure, ClickHouse, Databricks, Google Cloud, Snowflake sigmacomputing.com |
| Compliance | CCPA, GDPR, HIPAA, SOC 2 posthog.com | GDPR, HIPAA, SOC 2 sigmacomputing.com |
| Free plan | Yes posthog.com | Not observed |
| 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 | Not observed |
| Customers (their claim) | Join 500,000+ teams already shipping with PostHog. posthog.com | Trusted by 2,000+ leading enterprises around the world sigmacomputing.com |
Where they differ
- PostHog’s pages state a free plan; AirStack has not found that on Sigma’s pages.
- PostHog’s pages state that it is open source; AirStack has not found that on Sigma’s pages.
Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.