Clearbit
Instantly
| Feature | ||
|---|---|---|
| Pricing | Free only | From $37/mo |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.3 / 5 | 4.5 / 5 |
| Best For | b2b-marketers, growth-teams, sales-operations, product-led-growth | agencies, sales-teams, lead-gen-specialists, startups |
| Founded | 2014 | 2021 |
| Data Enrichment | ✓ | ✗ |
| Reveal Visitors | ✓ | ✗ |
| Lead Scoring | ✓ | ✗ |
| Form Shortening | ✓ | ✗ |
| Prospecting | ✓ | ✗ |
| Api | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Unlimited Accounts | ✗ | ✓ |
| Email Warmup | ✗ | ✓ |
| Lead Database | ✗ | ✓ |
| Sequences | ✗ | ✓ |
| Ai Personalization | ✗ | ✓ |
| Analytics | ✗ | ✓ |
| Unibox | ✗ | ✓ |
✓ 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
✓ Instantly Pros
- Unlimited email sending accounts
- AI-powered email warmup included
- Lead database with 160M+ contacts
- Smart sending rotation for deliverability
✗ Instantly Cons
- No free tier
- Only for cold outreach (not full CRM)
- Can take time to warm up new accounts
The Verdict
Clearbit is built for b2b marketers and growth teams, with a focus on data-enrichment and reveal-visitors. Instantly targets agencies and sales teams and leads with unlimited-accounts and email-warmup.
Clearbit uses custom enterprise pricing, while Instantly starts at $37/mo — a tangible advantage for teams with a fixed budget.
Clearbit has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Instantly requires a paid subscription from day one.
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.