# Mosquitone Detector vs Prün

The clearest difference is price: Prün at Free against Mosquitone Detector's $7.99. Prün also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (17.0 vs 26.2). Mosquitone Detector's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Prün is free to download; Mosquitone Detector costs $7.99 up front. Prün sells 2 in-app purchases, starting at $4.99 per month. Mosquitone Detector asks for nothing beyond the download.

Mosquitone Detector ships an update every 9 months, Prün every 3 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Mosquitone Detector | Prün |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[2.1 (13 ratings)](https://appshunter.io/ios/app/mosquitone-detector/id1289567807/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 14 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [RADLAB LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1890751329) |

## 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


### Prün

[App page](https://appshunter.io/ios/app/prun-password-pruner/id6761884820)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prün Pro - Monthly | $4.99 | per month |
| Prün Pro - Yearly | $29.99 | per year |


## Frequently asked questions

### Is Mosquitone Detector free?

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

### Is Prün free?

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

### Do Mosquitone Detector or Prün have ads?

Neither Mosquitone Detector nor Prün shows ads.

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

Mosquitone Detector ships an update every 9 months, and Prün every 3 weeks. Most recently, Mosquitone Detector was updated on October 24, 2026 and Prün on October 22, 2026.

---

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