# Perimeter Mobile vs Rapid Recall Messenger

Perimeter Mobile and Rapid Recall Messenger are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Perimeter Mobile ships an update every 6 weeks, Rapid Recall Messenger every 3 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Perimeter Mobile | Rapid Recall Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/perimeter-mobile/id1562227654/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 80 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perimeter, Inc.](https://appshunter.io/developer/6780993903) | [Rapid Recall, Inc.](https://appshunter.io/developer/1821506099) |

## 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


### Rapid Recall Messenger

[App page](https://appshunter.io/ios/app/rapid-recall-messenger/id6747453302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perimeter Mobile free?

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

### Is Rapid Recall Messenger free?

Rapid Recall Messenger is free to download, with no in-app purchases.

### Do Perimeter Mobile or Rapid Recall Messenger have ads?

Neither Perimeter Mobile nor Rapid Recall Messenger shows ads.

### Which is updated more often, Perimeter Mobile or Rapid Recall Messenger?

Perimeter Mobile ships an update every 6 weeks, and Rapid Recall Messenger every 3 weeks. Most recently, Perimeter Mobile was updated on October 25, 2026 and Rapid Recall Messenger on October 28, 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.*