Apollo.io vs Contractbook vs Ironclad vs Tadata
| Attribute | ||||
|---|---|---|---|---|
| Category | Sales Intelligence & Lead Generation | Contract Management | Legal & Compliance | AI Agents & Assistants |
| Pricing | Free tier | Free tier | Paid | Free tier |
| Starting price | $49/month | $39/month | — | $0/month |
| Free tier | Yes | Yes | Unknown | Yes |
| Free trial | Unknown | Yes | Yes | No |
| Deployment | — | — | Cloud | — |
| API available | Yes | Unknown | Yes | Unknown |
| Platforms | — | — | — | — |
| Certifications | 3 | — | 1 | — |
| Integrations | — | — | — | — |
| Company | Founded 2015 | — | Founded 2014 | — |
| Feature attributes | ||||
| Sso Saml | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | ✓ Yes | — 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 |
| Esignature | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Contract Lifecycle | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Clause Library | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Audit Trail | — Unknown | — Unknown | — Unknown | — Unknown |
| Workflow Approvals | — Unknown | — Unknown | ✓ Yes | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.