# SPLnFFT Noise Meter vs Mosquitone Detector

The clearest difference is rating: SPLnFFT Noise Meter at 4.8 against Mosquitone Detector's 2.1. SPLnFFT Noise Meter also leads on review sentiment (90% vs 56%) and update cadence (every 2 months vs every 9 months). Mosquitone Detector's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

SPLnFFT Noise Meter costs $3.99 and Mosquitone Detector $7.99 up front. SPLnFFT Noise Meter sells 1 one-off in-app purchase. Mosquitone Detector asks for nothing beyond the download.

SPLnFFT Noise Meter holds the better App Store score, 4.8 against 2.1. Both are backed by a comparable volume of ratings — 61 and 13 respectively. Written reviews point the same way: 90% of SPLnFFT Noise Meter's written reviews are positive against 56% of Mosquitone Detector's.

SPLnFFT Noise Meter ships an update every 2 months, Mosquitone Detector every 9 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | SPLnFFT Noise Meter | Mosquitone Detector |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | **[4.8 (61 ratings)](https://appshunter.io/ios/app/splnfft-noise-meter/id355396114/reviews)** | [2.1 (13 ratings)](https://appshunter.io/ios/app/mosquitone-detector/id1289567807/reviews) |
| Number of ratings | **61** | 13 |
| Positive reviews | **90.4% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | **15.2** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fabien Lefebvre](https://appshunter.io/developer/338004167) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### SPLnFFT Noise Meter

[App page](https://appshunter.io/ios/app/splnfft-noise-meter/id355396114)

This app provides advanced audio measurement capabilities, including sound level metering, frequency analysis, and signal generation. It offers both simple interfaces for daily use and detailed metrics for professional applications, with features compliant with industry standards.

**Highlights:** Sound level meter (noise meter), Frequency analyzer, Frequency meter, Test signal generator, Dosimeter, Leq, peak, L10, L95 measurements, Real-time FFT analysis

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Export raw data to Dropbox + PRO features | $4.99 | one-time |

**What reviewers like**

- ⭐ Highly accurate sound measurements compared to professional equipment
- 🎯 Professional-grade features at affordable price point
- 📊 Comprehensive FFT and frequency analysis capabilities
- 🎨 Clean, intuitive, and visually appealing interface
- 🔧 Multiple weighting options (A, B, C, ISO-498) and response times

**What reviewers complain about**

- 🎤 Microphone gain stuck on auto with built-in iPhone mic
- 📞 Limited customer support accessibility (Facebook-only contact)
- 🔄 Persistent review request pop-ups despite already reviewing
- 📱 Display text sizing issues on some devices (iPhone 11)
- 🌐 No website or email support outside of Facebook

**Reported bugs**

- Microphone gain slider unresponsive/locked on auto
- Landscape mode gets stuck, preventing setting changes
- Text display cropped on iPhone 11 (showing '10...' instead of '100.1')
- App freezes and requires reboot on some devices
- Review request pop-up appears repeatedly even after review submitted

**Requested features**

- Ability to override automatic microphone gain control
- Recording functionality with audio and dB level overlay
- Landscape mode support with full FFT display
- Extended frequency range (down to 20Hz for 3rd octave analysis)
- Microphone frequency calibration curve adjustment


### 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


## Frequently asked questions

### Is SPLnFFT Noise Meter free?

SPLnFFT Noise Meter costs $3.99, and also offers in-app purchases.

### Is Mosquitone Detector free?

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

### Which has better reviews, SPLnFFT Noise Meter or Mosquitone Detector?

SPLnFFT Noise Meter is rated higher. SPLnFFT Noise Meter averages 4.8 out of 5 from 61 ratings, while Mosquitone Detector averages 2.1 from 13 ratings.

### Do SPLnFFT Noise Meter or Mosquitone Detector have ads?

Neither SPLnFFT Noise Meter nor Mosquitone Detector shows ads.

### Which is updated more often, SPLnFFT Noise Meter or Mosquitone Detector?

SPLnFFT Noise Meter ships an update every 2 months, and Mosquitone Detector every 9 months. Most recently, SPLnFFT Noise Meter was updated on October 29, 2026 and Mosquitone Detector on October 29, 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.*