# Perimeter Mobile vs FirstNet Fusion

The clearest difference is rating: FirstNet Fusion at 4.1 against Perimeter Mobile's 3.7. Perimeter Mobile's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FirstNet Fusion holds the better App Store score, 4.1 against 3.7. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Perimeter Mobile | FirstNet Fusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/perimeter-mobile/id1562227654/reviews) | **[4.1 (7 ratings)](https://appshunter.io/ios/app/firstnet-fusion/id6743782339/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 80 MB | 119 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Perimeter, Inc.](https://appshunter.io/developer/6780993903) | [AT&T Services, Inc.](https://appshunter.io/developer/290854684) |

## What reviewers say

### Perimeter Mobile

[App page](https://appshunter.io/ios/app/perimeter-mobile/id1562227654)

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.

**Highlights:** Internal use for Public Safety agencies, Restricted access for authorized personnel, Private software tool, Not for public use, Contact sales for department inquiries

**In-app purchases:** none


### FirstNet Fusion

[App page](https://appshunter.io/ios/app/firstnet-fusion/id6743782339)

This app provides first responders with essential communication tools like push-to-talk, real-time location tracking, and secure messaging. It enables live video streaming for enhanced situational awareness and integrates with land mobile radio systems for seamless public safety operations.

**Highlights:** Push-to-talk communication, Real-time personnel location tracking, Live video streaming, Encrypted messaging, LMR system interoperability

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Perimeter Mobile free?

Perimeter Mobile is free to download, with no in-app purchases.

### Is FirstNet Fusion free?

FirstNet Fusion is free to download, with no in-app purchases.

### Which has better reviews, Perimeter Mobile or FirstNet Fusion?

FirstNet Fusion is rated higher. Perimeter Mobile averages 3.7 out of 5 from 3 ratings, while FirstNet Fusion averages 4.1 from 7 ratings.

### Do Perimeter Mobile or FirstNet Fusion have ads?

Neither Perimeter Mobile nor FirstNet Fusion shows ads.

### Which is updated more often, Perimeter Mobile or FirstNet Fusion?

Perimeter Mobile ships an update every 2 months, and FirstNet Fusion every 2 months. Most recently, Perimeter Mobile was updated on September 21, 2026 and FirstNet Fusion on August 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*