Apollo.io
Clearbit
| Feature | Apollo.io | Clearbit |
|---|---|---|
| Pricing | Free / from $49/mo | Free only |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.3 / 5 |
| Best For | sales-teams, startups, recruiters, agencies, b2b-companies | b2b-marketers, growth-teams, sales-operations, product-led-growth |
| Founded | 2015 | 2014 |
| Contact Database | ✓ | ✗ |
| Email Sequences | ✓ | ✗ |
| Linkedin Integration | ✓ | ✗ |
| Dialer | ✓ | ✗ |
| Analytics | ✓ | ✗ |
| Lead Scoring | ✓ | ✓ |
| Enrichment | ✓ | ✗ |
| Data Enrichment | ✗ | ✓ |
| Reveal Visitors | ✗ | ✓ |
| Form Shortening | ✗ | ✓ |
| Prospecting | ✗ | ✓ |
| Api | ✗ | ✓ |
| Integrations | ✗ | ✓ |
✓ Apollo.io Pros
- 275M+ verified contacts database
- Email sequences with A/B testing
- Free tier with 10,000 credits/month
- LinkedIn integration for prospecting
✗ Apollo.io Cons
- Data accuracy varies by region
- Email deliverability can suffer at scale
- Learning curve for sequence optimization
✓ 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
The Verdict
Apollo.io is built for sales teams and startups, with a focus on contact-database and email-sequences. Clearbit targets b2b marketers and growth teams and leads with data-enrichment and reveal-visitors.
Clearbit uses custom enterprise pricing, while Apollo.io starts at $49/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.