Castatus Crisis Manager vs OpenEWS
| Castatus Crisis Manager | OpenEWS | |
|---|---|---|
| Free trial | Yes | |
| Platforms | iOS, Web | Web |
| Free plan | No | Yes |
| SMS alerts | Yes | Yes |
| Voice call alerts | Yes | Yes |
| Email alerts | Yes | |
| Desktop alerts | Yes | |
| Mobile app alerts | Yes | |
| Two-way messaging | Yes |
Listed together in Best Mass Notification Software