Clearbit
PostHog
| Feature | Clearbit | PostHog |
|---|---|---|
| Pricing | Free only | Free / from $0/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.5 / 5 |
| Best For | b2b-marketers, growth-teams, sales-operations, product-led-growth | developers, startups, product-teams, privacy-conscious-companies |
| Founded | 2014 | 2020 |
| Data Enrichment | ✓ | ✗ |
| Reveal Visitors | ✓ | ✗ |
| Lead Scoring | ✓ | ✗ |
| Form Shortening | ✓ | ✗ |
| Prospecting | ✓ | ✗ |
| Api | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Product Analytics | ✗ | ✓ |
| Session Replay | ✗ | ✓ |
| Feature Flags | ✗ | ✓ |
| Experiments | ✗ | ✓ |
| Surveys | ✗ | ✓ |
| Data Warehouse | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
✓ Clearbit Pros
- Real-time enrichment with 100+ data attributes
- Excellent API for programmatic data access
- Free weekly visitor reports for any website
- Deep HubSpot integration (now owned by HubSpot)
✗ Clearbit Cons
- Full platform pricing is expensive
- Data coverage weaker outside US/Western markets
- Future roadmap uncertain after HubSpot acquisition
✓ PostHog Pros
- All-in-one analytics replacing multiple tools
- Generous free tier (1M events/month)
- Self-hostable for full data control
- Feature flags and experiments built-in
✗ PostHog Cons
- Can be complex to set up properly
- Self-hosting requires infrastructure maintenance
- Less polished UI than Amplitude
The Verdict
Clearbit is built for b2b marketers and growth teams, with a focus on data-enrichment and reveal-visitors. PostHog targets developers and startups and leads with product-analytics and session-replay.
Clearbit uses custom enterprise pricing, while PostHog starts at $0/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.