Perimeter Mobile vs CERA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perimeter Mobile
This private software tool is licensed by government Public Safety agencies for internal use by authorized personnel. It is not available to the general public and does not provide access to government information or services.
- Internal use for Public Safety agencies
- Restricted access for authorized personnel
- Private software tool
- Not for public use
- Contact sales for department inquiries
Read full descriptionHide full description
Disclaimer The Perimeter Mobile App is not affiliated with, endorsed by, or representing any government entity. The Perimeter Mobile App is a private software tool licensed by government Public Safety agencies for internal use. Access is restricted to authorized Public Safety personnel only. The app does not provide public access to government information or services, and it is not intended for use by the general public. For official public information regarding public safety operations, please refer to your local government's authorized channels, such as the Office of Emergency Services for your City or County, or State, or fema.gov. NOTE: The Perimeter Mobile Application is NOT available to the public. If your department is interested in using the Perimeter platform, contact our sales team at sales@perimeterplatform.com. If you work in public safety and believe you should already have access, email us at support@perimeterplatform.com.
CERA
This platform connects first responders in real-time during critical events. It automates tasks and provides a live overview to reduce chaos and confusion.
- Real-time connectivity for first responders
- Automated task management
- Live overview of critical events
- Reduces chaos and confusion
- Visual platform
Read full descriptionHide full description
Visual platform that eliminates the chaos and confusion during critical events by connecting first responders in real-time, automating key tasks, and providing a live overview.
Screenshots
Verdict
The clearest difference is rating: CERA at 5.0 against Perimeter Mobile's 3.7. CERA also leads on update cadence (every 2 weeks vs every 2 months). Perimeter Mobile's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CERA holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Perimeter Mobile ships an update every 2 months, CERA every 2 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Perimeter Mobile | CERA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.2 |
| Further details — not scored | ||
| Size | 80 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | Perimeter, Inc. | CERA Software Inc. |
Customer experience
Perimeter Mobile
CERA
In-app purchases
Perimeter Mobile
No in-app purchases
CERA
No in-app purchases
