Cal.com vs Mattermost vs Pumble
| Attribute | |||
|---|---|---|---|
| Category | Events, Scheduling & Booking | Communication | Communication |
| Pricing | Free tier | Free tier | Free tier |
| Starting price | $15 | $10/month | $2.49/month |
| Free tier | Yes | Yes | Yes |
| Free trial | Yes | Yes | Yes |
| Deployment | Hybrid | Cloud | — |
| API available | Yes | Unknown | Unknown |
| Platforms | — | ios, android, windows, macos, linux | — |
| Certifications | 3 | — | — |
| Integrations | 6 | — | 1 |
| Company | — | Founded 2015 | Founded 2020 |
| Feature attributes | |||
| Sso Saml | ✓ Yes | — Unknown | — Unknown |
| Rbac | ✓ Yes | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown |
| Webhooks | ✓ Yes | — Unknown | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | ✓ Yes | — Unknown | — Unknown |
| Group Scheduling | ✓ Yes | — Unknown | — Unknown |
| Payment Collection | ✓ Yes | — Unknown | — Unknown |
| Routing Forms | ✓ Yes | — Unknown | — Unknown |
| Self Hosting | ✓ Yes | — Unknown | — Unknown |
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.