Alternatives to Perimeter
Other Mass notification and critical events vendors we measure, sorted by how much they publish that Perimeter does not. This is a comparison of disclosure, not of features or fitness.
12 shown of 25 that differ from Perimeter on at least one criterion we measured for both. Public transparency score, not a product or security rating.
Perimeter has 12 gaps in what we could measure: Data processing agreement, Subprocessor list, Data location stated, Status page with history, Public pricing, Certifications named, Uptime SLA with a figure, HTTPS enforced with HSTS, No third-party tracking before consent, security.txt (RFC 9116), Notice before subprocessors change, Named privacy contact. The column “publishes and Perimeter does not” is the one that closes them.
| Vendor | Score | Publishes, and Perimeter does not | Perimeter publishes, and they do not | |
|---|---|---|---|---|
| Singlewiresinglewire.com | 61/100 | 7 Subprocessor list, Data location stated, Status page with history, +4 | nothing | Compare |
| AlertMediaalertmedia.com | 52/100 | 6 Subprocessor list, Status page with history, Public pricing, +3 | nothing | Compare |
| F24f24.com | 30/100 | 4 Data location stated, Certifications named, HTTPS enforced with HSTS, +1 | nothing | Compare |
| Divera 247divera247.com | 26/100 | 4 HTTPS enforced with HSTS, No third-party tracking before consent, security.txt (RFC 9116), +1 | nothing | Compare |
| GroupAlarmgroupalarm.com | 26/100 | 4 Status page with history, Public pricing, Certifications named, +1 | nothing | Compare |
| Juvarejuvare.com | 35/100 | 3 Subprocessor list, Data location stated, HTTPS enforced with HSTS | nothing | Compare |
| D4Hd4h.com | 26/100 | 3 Data location stated, Certifications named, HTTPS enforced with HSTS | nothing | Compare |
| Mobile Text Alertsmobile-text-alerts.com | 22/100 | 3 Public pricing, HTTPS enforced with HSTS, Named privacy contact | nothing | Compare |
| IamRespondingiamresponding.com | 23/100 | 2 Data location stated, Public pricing | nothing | Compare |
| Active911active911.com | 22/100 | 2 Data location stated, Public pricing | nothing | Compare |
| Agility Recoveryagilityrecovery.com | 22/100 | 2 Data location stated, HTTPS enforced with HSTS | nothing | Compare |
| Bryxbryx.com | 17/100 | 2 Status page with history, HTTPS enforced with HSTS | nothing | Compare |
Only criteria we could measure for both are counted. Where we could measure one and not the other, the row is silent: that would be a statement about our measurement, not about either vendor. Every single result with its source is on the two profiles.