beehiiv vs Calendly vs Ghost vs Substack
| Attribute | ||||
|---|---|---|---|---|
| Category | Email & Messaging Marketing | Events, Scheduling & Booking | Content & Writing | Email & Messaging Marketing |
| Pricing | Paid | Free tier | Free tier | Free tier |
| Starting price | $0/month | $10/month | $18/month | $10/month |
| Free tier | No | Yes | Yes | Yes |
| Free trial | No | Yes | Yes | No |
| Deployment | — | Cloud | Cloud | — |
| API available | Unknown | Yes | Unknown | Unknown |
| Platforms | — | ios, android | — | — |
| Certifications | — | 4 | — | — |
| Integrations | 2 | 5 | 8 | — |
| Company | Founded 2021 | Founded 2013 | — | Founded 2017 |
| Feature attributes | ||||
| Sso Saml | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | Ios And Android | — Unknown | — Unknown |
| Webhooks | — Unknown | ✓ Yes | — Unknown | — Unknown |
| Data Export | — 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 | — Unknown | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.