Heap vs PostHog
Heap
An autocapture product analytics platform, now part of Contentsquare, that records every interaction so events can be defined retroactively.
Full directory entry →PostHog
Open-source platform bundling product analytics, session replay, feature flags, experiments, and surveys on a single ClickHouse-backed event store.
Full directory entry →Facts, side by side
| Heap | PostHog | |
|---|---|---|
| Pricing model | freemium | freemium |
| Pricing notes | Free plan up to 10k monthly sessions with 6 months history; Growth, Pro, and Premier are quote-based, priced by session volume. Warehouse sync ships on the Premier tier; session replay is a Pro add-on. Exceeding the session cap blocks data viewing until you upgrade. | Usage-based per product with monthly free allowances on Cloud (1M analytics events, 5K replays, 1M flag requests, 1.5K survey responses); per-unit rates fall with volume and anonymous events are billed cheaper than identified ones. The open-source Docker deploy is free. |
| Open source | No | Yes |
| Self-hostable | No | Partial — A Docker Compose hobby deploy is supported at small scale; large self-hosted instances are no longer sold or supported as a paid product. |
| Categories | Analytics, Product analytics | Product analytics, Session replay, Experimentation |
| Who it's for | measurement managers, marketing managers | implementation engineers, data engineers, measurement managers |
| Integrations listed | 3 | 5 |
Directory entries last updated: Heap 2026-07-18 · PostHog 2026-07-18.
In brief
Heap — An autocapture product analytics platform, now part of Contentsquare, that records every interaction so events can be defined retroactively. Pricing: freemium. Free plan up to 10k monthly sessions with 6 months history; Growth, Pro, and Premier are quote-based, priced by session volume. Warehouse sync ships on the Premier tier; session replay is a Pro add-on. Exceeding the session cap blocks data viewing until you upgrade. Self-hosting: No. Listed integrations: segment, snowflake, bigquery.
PostHog — Open-source platform bundling product analytics, session replay, feature flags, experiments, and surveys on a single ClickHouse-backed event store. Pricing: freemium. Usage-based per product with monthly free allowances on Cloud (1M analytics events, 5K replays, 1M flag requests, 1.5K survey responses); per-unit rates fall with volume and anonymous events are billed cheaper than identified ones. The open-source Docker deploy is free. Self-hosting: Partial — A Docker Compose hobby deploy is supported at small scale; large self-hosted instances are no longer sold or supported as a paid product.. Listed integrations: segment, rudderstack, bigquery, snowflake, hightouch.
Which one, when
Derived mechanically from the structured facts above — deltas only, not an editorial verdict. Where the facts tie, read both entries.
- you also need Analytics — not a listed category for PostHog
- its entry lists marketing managers in "who it's for"; PostHog's does not
- you want an open-source codebase — Heap is not open source
- you need at least partial self-hosting — Heap offers none
- you also need Session replay, Experimentation — not a listed category for Heap
- its entry lists implementation engineers and data engineers in "who it's for"; Heap's does not
Also compare
HEAP VS: Amplitude · Fullstory · Google Analytics 4 · Mixpanel · Snowplow
POSTHOG VS: Amplitude · Fullstory · GrowthBook · Hotjar · LogRocket · Microsoft Clarity · Mixpanel · Optimizely · RudderStack · Segment · Snowplow · Statsig · VWO