Software · head to head
PostHog vs Whimsical

PostHog
Software
The single platform to analyze, test, observe, and deploy new features
- From
- Free
- Rated
- -
The short version
- Each has a real cost: PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts; Whimsical the free plan is capped at 3 team boards, 3 teams and 10 guest seats
- They diverge on capability: PostHog covers Product analytics, Whimsical covers Flowcharts.
Where they differ
Only the attributes on which PostHog and Whimsical actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
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 PostHog
- Product analytics
- Session recording
- Feature flags
- A/B testing
- Heatmaps
- SQL access
- Data warehouse
- Apps platform
Only in Whimsical
- Flowcharts
- Wireframes
- Mind maps
- Sticky notes
- Docs
- Real-time collaboration
- Templates
- Keyboard shortcuts
Both cover
- Slack
- GitHub
- SOC2
- GDPR
- 2FA
- Cloud deployment
What people use each for
The jobs each tool is most often brought in to do.
PostHog
- Product analyticsnot Whimsical
- Feature experimentationnot Whimsical
- User behavior trackingnot Whimsical
- A/B testingnot Whimsical
- Debug production issuesnot Whimsical
Whimsical
- Product planningnot PostHog
- UI/UX designnot PostHog
- Brainstormingnot PostHog
- Process documentationnot PostHog
- Project visualizationnot PostHog
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Whimsical
- The free plan is capped at 3 team boards, 3 teams and 10 guest seats
- File uploads are limited to 5MB per file and 1GB in total on the free plan
- Version history on the free plan goes back 7 days
- Voting, the timer, private teams, the GitHub integration, password-protected files and watermark removal all need Pro at $10 per editor per month
- SSO and SAML are Business tier only at $20 per editor per month
Pricing, plan by plan
PostHog
Free- FreeFree
- 1M events/month
- 5K sessions/month
- Unlimited users
- Paid$undefined/month
- $0.00031/event
- $0.005/session
- Advanced permissions
- Enterprise$undefined/month
- SAML SSO
- Advanced security
- Dedicated support
Whimsical
Free- StarterFree
- Up to 4 boards
- Unlimited viewers
- 7-day version history
- Pro$10/month
- Unlimited boards
- Unlimited version history
- Advanced permissions
- Org$20/month
- Everything in Pro
- SSO
- User management
Which should you pick?
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.
Choose Whimsical if
- You need flowcharts.
- You want to start without paying.
- You also want wireframes.
Questions people ask
- Is PostHog or Whimsical better?
- Neither clearly leads. PostHog starts at Free and Whimsical at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, PostHog or Whimsical?
- PostHog starts at Free and Whimsical at Free.
- Does PostHog or Whimsical run on more platforms?
- PostHog runs on Web, Ios, Android, Api. Whimsical runs on Web.
- Can I use PostHog for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is PostHog best used for?
- PostHog is most often used for product analytics, feature experimentation, user behavior tracking, a/b testing. Of those, product analytics and feature experimentation are not what Whimsical is typically brought in for.
- What can PostHog do that Whimsical cannot?
- PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Whimsical covers Flowcharts, Wireframes, Mind maps, Sticky notes. Both handle Slack, GitHub, SOC2, GDPR.
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- Whimsical vs Notion
- Whimsical vs Amplitude
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