10to8 vs Ahrefs vs Cal.com vs Calendly
| Attribute | ||||
|---|---|---|---|---|
| Category | Events, Scheduling & Booking | SEO & Search Marketing | Events, Scheduling & Booking | Events, Scheduling & Booking |
| Pricing | Paid | Freemium | Free tier | Free tier |
| Starting price | — | $129 | $15 | $10/month |
| Free tier | No | No | Yes | Yes |
| Free trial | No | Yes | Yes | Yes |
| Deployment | — | Cloud | Hybrid | Cloud |
| API available | Unknown | Yes | Yes | Yes |
| Platforms | — | — | — | ios, android |
| Certifications | — | — | 3 | 4 |
| Integrations | — | — | 6 | 5 |
| Company | — | Founded 2010 | — | Founded 2013 |
| Feature attributes | ||||
| Sso Saml | — Unknown | ✓ Yes | ✓ Yes | ✓ Yes |
| Rbac | — Unknown | ✓ Yes | ✓ Yes | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | Ios And Android |
| Webhooks | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Data Export | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Keyword Research | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Backlink Analysis | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Rank Tracking | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Site Audit | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Index Size | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Group Scheduling | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Payment Collection | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Routing Forms | — Unknown | — Unknown | ✓ Yes | ✓ Yes |
| Self Hosting | — Unknown | — Unknown | ✓ Yes | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.