Apollo.io vs Clay vs Optimal Workshop vs Tadata
| Attribute | ||||
|---|---|---|---|---|
| Category | Sales Intelligence & Lead Generation | Sales Intelligence & Lead Generation | Research & Science | AI Agents & Assistants |
| Pricing | Free tier | Free tier | Paid | Free tier |
| Starting price | $49/month | $134/month | $199/month | $0/month |
| Free tier | Yes | Yes | No | Yes |
| Free trial | Unknown | No | No | No |
| Deployment | — | — | — | — |
| API available | Yes | Unknown | Unknown | Unknown |
| Platforms | — | — | — | — |
| Certifications | 3 | — | — | — |
| Integrations | — | 3 | 1 | — |
| Company | Founded 2015 | — | — | — |
| Feature attributes | ||||
| Sso Saml | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | — Unknown | — Unknown |
| Data Export | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Contact Database Size | — Unknown | — Unknown | — Unknown | — Unknown |
| Email Finder | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Phone Numbers | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Intent Data | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Chrome Extension | ✓ Yes | — Unknown | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.