Ahrefs vs Cal.com vs Clearscope vs Moz
| Attribute | ||||
|---|---|---|---|---|
| Category | SEO & Search Marketing | Events, Scheduling & Booking | SEO & Search Marketing | SEO & Search Marketing |
| Pricing | Freemium | Free tier | Paid | Paid |
| Starting price | $129 | $15 | $129/month | $39/month |
| Free tier | No | Yes | No | No |
| Free trial | Yes | Yes | Yes | Yes (30d) |
| Deployment | Cloud | Hybrid | Cloud | Cloud |
| API available | Yes | Yes | Unknown | Yes |
| Platforms | — | — | — | — |
| Certifications | — | 3 | — | — |
| Integrations | — | 6 | — | — |
| Company | Founded 2010 | — | — | Founded 2004 |
| Feature attributes | ||||
| Sso Saml | ✓ Yes | ✓ Yes | — Unknown | — Unknown |
| Rbac | ✓ Yes | ✓ Yes | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Data Export | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Keyword Research | ✓ Yes | — Unknown | — Unknown | ✓ Yes |
| Backlink Analysis | ✓ Yes | — Unknown | — Unknown | ✓ Yes |
| Rank Tracking | ✓ Yes | — Unknown | — Unknown | ✓ Yes |
| Site Audit | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Index Size | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Group Scheduling | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Payment Collection | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Routing Forms | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Self Hosting | — Unknown | ✓ Yes | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.