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Technology · head to head

Notion vs PostHog

Notion logo

Notion

Technology

All-in-one workspace for notes, tasks, wikis, and databases

From
Free
Rated
-
Full reviewWebsite
PostHog logo

PostHog

Technology

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Notion free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • They diverge on capability: Notion covers Rich text editing with blocks, PostHog covers Product analytics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Notion and PostHog actually diverge.

Attributes where Notion and PostHog differ
AttributeNotionPostHog
Pricing modelUnknownusage-based
PlatformsWeb, iOS, AndroidWeb, Ios, Android, Api
Founded20162020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Notion

  • Rich text editing with blocks
  • Customizable databases
  • Kanban boards and calendars
  • Real-time collaboration
  • Template library
  • File attachments
  • Web clipper
  • API access

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

Both cover

  • Slack
  • GitHub
  • Zapier
  • 2FA
  • GDPR
  • SOC2

What people use each for

The jobs each tool is most often brought in to do.

Notion

  • Project managementnot PostHog
  • Knowledge base creationnot PostHog
  • Note-taking and documentationnot PostHog
  • Team collaborationnot PostHog
  • Content planningnot PostHog

PostHog

  • Product analyticsnot Notion
  • Feature experimentationnot Notion
  • User behavior trackingnot Notion
  • A/B testingnot Notion
  • Debug production issuesnot Notion

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Notion

  • Free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage
  • Free tier only includes trial AI capabilities; full Notion AI requires paid plan
  • Page history limited to 7 days on free plan
  • Per-member pricing increases costs for teams compared to flat-rate competitors
  • Limited automation capabilities compared to dedicated workflow platforms

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Notion

Free
  • FreeFree
    • 1000 block limit (2+ members)
    • 7-day page history
    • 5MB file upload cap
  • Plus$10/month
    • Unlimited blocks
    • 30-day page history
    • Unlimited file uploads
  • Business$20/month
    • All Plus features
    • Notion Agent
    • AI Meeting Notes
  • Enterprise$undefined/custom
    • All Business features
    • Advanced controls
    • Audit logs

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Notion if

  • You need rich text editing with blocks.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want customizable databases.
Notion review

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.
PostHog review

Questions people ask

Is Notion or PostHog better?
Neither clearly leads. Notion starts at Free and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Notion or PostHog?
Notion starts at Free and PostHog at Free.
Does Notion or PostHog run on more platforms?
Notion runs on Web, iOS, Android. PostHog runs on Web, Ios, Android, Api.
Can I use Notion for free?
Both have a free tier, so you can try either at no cost before committing.
What is Notion best used for?
Notion is most often used for project management, knowledge base creation, note-taking and documentation, team collaboration. Of those, project management and knowledge base creation are not what PostHog is typically brought in for.
What can Notion do that PostHog cannot?
Notion covers Rich text editing with blocks, Customizable databases, Kanban boards and calendars, Real-time collaboration. PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Both handle Slack, GitHub, Zapier, 2FA.

Answered from the vendors’ own pages

Notion: What features are included in the free Notion plan?

The free plan ($0/member/month) includes trial AI capabilities, basic forms and sites, Notion Calendar access, unlimited databases, up to 10 external guests, and 7-day page history.

Source
PostHog: What does PostHog's free tier include per month?

PostHog free tier includes: 1M analytics events, 5K session replays, 1M feature flag requests, 100K error tracking exceptions, 1,500 survey responses, 1M data warehouse rows, 10K data pipeline events, 100K AI observability events, 500 PostHog AI credits, 10K workflow messages, and 10GB log ingestion. Source: https://posthog.com/pricing

Source
Notion: What is the difference between Plus and Business plans?

Plus ($10/member/month) adds custom forms, unlimited file uploads, and 30-day history. Business ($20/member/month) adds Notion Agent for autonomous tasks, AI Meeting Notes, and advanced security features.

Source
PostHog: How much data retention does PostHog provide on paid plans?

PostHog free tier provides 1-year data retention. Pay-as-you-go plans offer 7-year data retention across all projects, enabling longer historical analysis. Source: https://posthog.com/pricing

Source
Notion: How does Notion calculate billing when team members join mid-month?

New members added mid-month incur prorated charges for the current billing period and are included in future billings.

Source
PostHog: What percentage of PostHog users stay on the free tier?

PostHog states that 97% of companies use PostHog for free, indicating extensive free tier adoption. However, specific per-unit pricing rates for overages on paid plans are not published. Source: https://posthog.com/pricing

Source
Notion: What is the refund policy for Notion subscriptions?

New users receive a full refund within 3 days for monthly plans or 30 days for annual plans. EU/UK customers get a 14-day refund window per regional policy.

Source
PostHog: When does PostHog provide priority support on paid plans?

PostHog provides email or Slack support for accounts exceeding $2,000/month on pay-as-you-go plans. Specific response times and support SLAs are not detailed on their pricing page. Source: https://posthog.com/pricing

Source
Notion: What happens if a payment fails on my Notion account?

Failed payments are retried up to 8 times before the account automatically downgrades to the free plan.

Source
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