OnPage vs OpenEWS
| OnPage | OpenEWS | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, iOS, Android | Web |
| Free plan | No | Yes |
| SMS alerts | — | Yes |
| Voice call alerts | — | Yes |
Both are listed in Best Mass Notification Software. On Inferse, OpenEWS scores higher on our published basis.