# SoundAnalysis — Spectrum Analyser & SPL Meter

> Spectrum Analyser & SPL Meter (iPhone/iPad app by Fabien Lepercque.)

- Source: https://appshunter.io/ios/app/soundanalysis/id6760622679 (this page in markdown: same URL + `.md`)
- Developer: [Fabien Lepercque](https://appshunter.io/developer/1885375974)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 3 MB
- Languages: American English
- Released: 2026-03-27
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/soundanalysis/id6760622679/reviews.md

## What is SoundAnalysis?

Sound Analysis is an advanced spectrum analyser and ambient noise measurement tool. This tool offers detailed and customisable frequency analysis.

Key features:    

- Analysis bands: choice between octave bands (1/1, 1/3, 1/6) and narrow bands.
- Weightings: Includes A-weighting (simulates the human ear) and Z-weighting (linear measurement) for results compliant with standards.
- Time modes: Instantaneous, Fast (125 ms) and Slow (1 s) to accurately capture sound dynamics.
- Scaling: Automatic or manual for optimal spectrum visualisation, even with significant variations.
- Calibration: Adjustment of the microphone’s overall level.


## Version history (last 5 releases)

### 1.6.0 — 2026-06-29

+ fix dBSPL normalization

### 1.5.0 — 2026-05-14

+ major bug fix (crash while starting app)

### 1.4.5 — 2026-05-08

+ minor bug fix 
+ improve stability

### 1.4.4 — 2026-05-05

+ Add 1/6 Octave spectrum analysis
+ Fix FAST and SLOW spectrum averaging issue

### 1.4.3 — 2026-04-11

Minor bugs fix

## Related topics

[analysis sound](https://appshunter.io/ios/topics/analysis-sound)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*