# 魚定規 vs Mosquitone Detector

The clearest difference is price: 魚定規 at Free against Mosquitone Detector's $7.99. 魚定規 also leads on iOS requirement (7.1 vs 26.2). Mosquitone Detector's advantage is review sentiment (56% vs 20%) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

魚定規 is free to download; Mosquitone Detector costs $7.99 up front. 魚定規 sells 1 one-off in-app purchase. Mosquitone Detector asks for nothing beyond the download.

## The numbers

| Metric | 魚定規 | Mosquitone Detector |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | — | **[2.1 (13 ratings)](https://appshunter.io/ios/app/mosquitone-detector/id1289567807/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 20.0% of reviews | **55.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 9 months |
| Monetization | — | Paid |
| Best chart rank | — | **#102** |
| Size | 3 MB | 2 MB |
| Requires iOS | **7.1** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### 魚定規

[App page](https://appshunter.io/ios/app/id944341002)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除アドオン | $0.99 | one-time |


### Mosquitone Detector

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

**Currently charting:** #102 Top Paid · Utilities (US App Store)

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


## Frequently asked questions

### Is 魚定規 free?

魚定規 is free to download, with in-app purchases available.

### Is Mosquitone Detector free?

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

### Do 魚定規 or Mosquitone Detector have ads?

Neither 魚定規 nor Mosquitone Detector shows ads.

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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.*