Ahrefs vs AlsoAsked vs Calendly vs Semrush
| Attribute | ||||
|---|---|---|---|---|
| Category | SEO & Search Marketing | Research & Science | Events, Scheduling & Booking | SEO & Search Marketing |
| Pricing | Freemium | Free tier | Free tier | Paid |
| Starting price | $129 | $12/month | $10/month | $139.95 |
| Free tier | No | Yes | Yes | No |
| Free trial | Yes | No | Yes | Yes (14d) |
| Deployment | Cloud | — | Cloud | Cloud |
| API available | Yes | Unknown | Yes | Yes |
| Platforms | — | — | ios, android | — |
| Certifications | — | — | 4 | — |
| Integrations | — | — | 5 | — |
| Company | Founded 2010 | — | Founded 2013 | Founded 2008 |
| Feature attributes | ||||
| Sso Saml | ✓ Yes | — Unknown | ✓ Yes | ✓ Yes |
| Rbac | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | Ios And Android | — Unknown |
| Webhooks | — Unknown | — Unknown | ✓ Yes | — 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 | ✓ Yes |
| Index Size | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Group Scheduling | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Payment Collection | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Routing Forms | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Self Hosting | — Unknown | — Unknown | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.