Best Mass Notification Software in 2026
Updated
34 mass notification software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
34ranked
0free plans on this page
7 Oct 2026last checked
0 of the 9 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | PremierOne CADWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 27 | Alert CascadeWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 28 | Castatus Crisis ManagerWeb · iPhone | One bar | — | — | 2 of 6 | — | 5.1 |
| 29 | CentrAlert C-DACNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 30 | NetSupport NotifyWeb · Windows · Mac · Linux · Android · iPhone | One bar | — | — | 6 of 6 | — | 5.1 |
| 31 | OpenEWSWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 32 | Genasys ProtectWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 5.0 |
| 33 | OnPageWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 4.8 |
| 34 | ReadyAlertNo platforms listed | One bar | — | — | 0 of 6 | — | 4.8 |
Compare all 9 in a table
| # | App | Score | Free plan | Free plan | Paid from | SMS alerts | Voice call alerts |
|---|---|---|---|---|---|---|---|
| 26 | PremierOne CAD | 5.2 | No | — | — | Yes | Yes |
| 27 | Alert Cascade | 5.1 | No | — | — | Yes | Yes |
| 28 | Castatus Crisis Manager | 5.1 | No | No | — | Yes | Yes |
| 29 | CentrAlert C-DAC | 5.1 | No | — | — | Yes | Yes |
| 30 | NetSupport Notify | 5.1 | No | No | — | No | No |
| 31 | OpenEWS | 5.1 | No | Yes | — | Yes | Yes |
| 32 | Genasys Protect | 5.0 | No | No | — | Yes | Yes |
| 33 | OnPage | 4.8 | No | No | — | — | — |
| 34 | ReadyAlert | 4.8 | No | No | 15 /mo | Yes | Yes |