Acuity Scheduling vs Amelia vs Apache NiFi vs Cal.com
| Attribute | ||||
|---|---|---|---|---|
| Category | Scheduling & Appointments | Scheduling & Appointments | Data Integration & ETL | Events, Scheduling & Booking |
| Pricing | Free tier | Paid | Free tier | Free tier |
| Starting price | $16/month | $69/month | $0/month | $15 |
| Free tier | Yes | No | Yes | Yes |
| Free trial | Yes | No | No | Yes |
| Deployment | Cloud | — | — | Hybrid |
| API available | Unknown | Unknown | Unknown | Yes |
| Platforms | — | — | — | — |
| Certifications | — | — | — | 3 |
| Integrations | 2 | — | — | 6 |
| Company | — | — | Founded 2006 | — |
| Feature attributes | ||||
| Sso Saml | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Rbac | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Data Export | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Group Scheduling | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Payment Collection | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Routing Forms | — Unknown | — Unknown | — Unknown | ✓ Yes |
| Self Hosting | — Unknown | — Unknown | — Unknown | ✓ Yes |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.