PostHog vs Notion
Open source product analytics — all-in-one dev tool
vs. All-in-one workspace — docs, wikis, databases, projects, AI
Pricing tiers
PostHog
Free (generous)
No credit card. Each product has its own free monthly quota. Great for startups + OSS.
Free
Paid (usage-based)
Pay only what you use, after free quotas. Volume discounts at higher tiers. 6 projects, 7-year retention.
$0 base (usage-based)
Self-Hosted (OSS)
MIT-licensed. Run on your own infra via Docker/k8s. Zero vendor lock-in.
$0 base (usage-based)
Enterprise
Custom. SAML SSO, dedicated CSM, custom SLA.
Custom
Notion
Free
$0. Unlimited blocks for personal use, 5MB file uploads, 7-day version history. Max 10 collaborators.
Free
Notion AI (add-on)
$8/user/mo. Add AI to Plus. Free on Business and above.
$8/mo
Plus
$10/user/mo annual ($12/mo). Unlimited blocks for teams, unlimited file uploads, 30-day history.
$10/mo
Business
$15/user/mo annual ($18/mo). SAML SSO, private teamspaces, bulk export, 90-day history, Notion AI included.
$15/mo
Enterprise
$25/user/mo (est). SCIM, audit log, unlimited history, dedicated success manager.
$25/mo
Free-tier quotas head-to-head
Comparing free on PostHog vs free on Notion.
| Metric | PostHog | Notion |
|---|---|---|
| data warehouse rows | 1000000 rows/month | — |
| error tracking exceptions | 100000 exceptions/month | — |
| feature flags requests | 1000000 requests/month | — |
| llm analytics events | 100000 events/month | — |
| logs gb | 50 GB/month | — |
| product analytics events | 1000000 events/month | — |
| projects | 1 projects | — |
| retention years | 1 year | — |
| session replay recordings | 5000 recordings/month | — |
| surveys responses | 1500 responses/month | — |
| team members | unlimited members | — |
Features
PostHog · 14 features
- A/B Testing — Experiments with significance analysis.
- Data Pipelines — Export events to BigQuery, Snowflake, S3.
- Data Warehouse — Query external sources (Stripe, Hubspot, S3) alongside events with SQL.
- Error Tracking — Sentry-style error tracking in same platform.
- Feature Flags — Rollout flags with targeting, A/B testing, JSON payloads.
- LLM Analytics — Tracing + cost tracking for OpenAI, Anthropic, Gemini, etc.
- Logs — Centralized log ingest with free 50 GB/month.
- Product Analytics — Events, funnels, trends, retention, paths. SQL insights available.
- Revenue Tracking — Integration with Stripe for revenue + churn metrics.
- Self-Hosting — Docker/Helm. Full feature parity with cloud.
- Session Replay — Watch user sessions. Privacy controls, masked inputs, JS errors.
- SQL Query API — Run ClickHouse SQL over your events via API.
- Surveys — In-app surveys + feedback widgets.
- Workflows — Trigger emails/webhooks on events.
Notion · 16 features
- Databases — Relational data with views.
- Database Views — Table, board, gallery, calendar, timeline, list.
- Desktop Apps — Native Mac + Windows.
- Docs — Wiki + docs with rich editor.
- Formulas 2.0 — JS-like expressions.
- Granular Permissions — Per-page + teamspace ACLs.
- iOS + Android Apps — Native mobile.
- Notion AI — AI assist for writing + Q&A.
- Notion Calendar — Native calendar (ex-Cron).
- Notion Mail — Email client integrated.
- Relations + Rollups — Cross-DB linking + aggregations.
- REST API — Integrations + automations.
- Sync Databases — Pull external sources.
- Teamspaces — Isolated areas per team.
- Template Gallery — 10,000+ community templates.
- Widgets + Embeds — Third-party embeds.
Developer interfaces
| Kind | PostHog | Notion |
|---|---|---|
| SDK | posthog-android, posthog-flutter, posthog-go, posthog-ios (Swift), posthog-js, posthog-node, posthog-php, posthog-python, posthog-react-native, posthog-ruby | @notionhq/client |
| REST | PostHog REST API | Notion REST API |
| MCP | PostHog MCP | Notion MCP (official) |
| OTHER | Webhooks + Actions | Notion AI, Notion Apps, OAuth 2.0 (public) |
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