# Mosquitone Detector vs Perimeter

The clearest difference is price: Perimeter at Free against Mosquitone Detector's $7.99. Perimeter also leads on rating (5.0 vs 2.1) and update cadence (every 3 weeks vs every 9 months). Mosquitone Detector's advantage is ratings volume (13 vs 2). On ads, in-app purchases and device support there is nothing between them.

Perimeter is free to download; Mosquitone Detector costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Perimeter holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Mosquitone Detector has 13 ratings behind it against 2, so its average is the more settled of the two.

Mosquitone Detector ships an update every 9 months, Perimeter every 3 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mosquitone Detector | Perimeter |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [2.1 (13 ratings)](https://appshunter.io/ios/app/mosquitone-detector/id1289567807/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perimeter-theft-deterrence/id1572482501/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 54 MB |
| Requires iOS | 26.2 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [PERIMETER AI INC.](https://appshunter.io/developer/1572482503) |

## What reviewers say

### Mosquitone Detector

[App page](https://appshunter.io/ios/app/mosquitone-detector/id1289567807)

This sound measurement app detects high-frequency and ultrasonic noises that are inaudible to humans. It helps identify potentially harmful noise sources, especially those used to deter pests or young people. The app offers modes to detect and pinpoint the direction of these sounds.

**Highlights:** High frequency and ultrasonic sound detection, Peak frequency display, Sound source direction search (360 degrees), Selectable frequency bands (8-16 kHz, 16-23 kHz), Adjustable gain ranges, Measurement screen rotation

**In-app purchases:** none


### Perimeter

[App page](https://appshunter.io/ios/app/perimeter-theft-deterrence/id1572482501)

This AI-powered security app detects potential threats before they occur. It uses unique lights and sounds to warn individuals and deter crime before it happens.

**Highlights:** AI threat detection, Proactive crime deterrence, Neighbor Safe™ lights, Audible warnings, Driveway monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mosquitone Detector free?

Mosquitone Detector costs $7.99, with no in-app purchases.

### Is Perimeter free?

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

### Which has better reviews, Mosquitone Detector or Perimeter?

Perimeter is rated higher. Mosquitone Detector averages 2.1 out of 5 from 13 ratings, while Perimeter averages 5.0 from 2 ratings.

### Do Mosquitone Detector or Perimeter have ads?

Neither Mosquitone Detector nor Perimeter shows ads.

### Which is updated more often, Mosquitone Detector or Perimeter?

Mosquitone Detector ships an update every 9 months, and Perimeter every 3 weeks. Most recently, Mosquitone Detector was updated on October 6, 2026 and Perimeter on October 7, 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.*