# FFTWave vs Sound Spectrum Analysis

The clearest difference is rating: FFTWave at 4.3 against Sound Spectrum Analysis's 3.6. FFTWave also leads on in-app purchases (none vs 1) and review sentiment (77% vs 60%). Sound Spectrum Analysis's advantage is update cadence (every 5 weeks vs every 15 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Sound Spectrum Analysis sells 1 one-off in-app purchase. FFTWave asks for nothing beyond the download.

FFTWave holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 16 and 42 respectively. Written reviews point the same way: 77% of FFTWave's written reviews are positive against 60% of Sound Spectrum Analysis's.

FFTWave ships an update every 15 months, Sound Spectrum Analysis every 5 weeks. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | FFTWave | Sound Spectrum Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/fftwave/id1080227446/reviews)** | [3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews) |
| Number of ratings | 16 | **42** |
| Positive reviews | **76.9% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 5 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eisaku Nozu](https://appshunter.io/developer/1080227445) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### FFTWave

[App page](https://appshunter.io/ios/app/fftwave/id1080227446)

Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.

**Highlights:** Microphone waveform display, Spectrum analysis via Fourier transform, Frequency characteristic checking, Peak detection and hold, Pinch zoom gestures, Howling analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Spectrum Analysis

[App page](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523)

Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

**Highlights:** Real-time sound spectrum analysis, Fast Fourier Transform (FFT) with adjustable size, Linear and logarithmic frequency/amplitude scales, Octave band analysis (1/1, 1/3, 1/6, 1/12), Multiple window functions, A- and C-Weightings, Sound level meter (dB SPL)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


## Frequently asked questions

### Is FFTWave free?

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

### Is Sound Spectrum Analysis free?

Sound Spectrum Analysis is free to download, with in-app purchases available.

### Which has better reviews, FFTWave or Sound Spectrum Analysis?

FFTWave is rated higher. FFTWave averages 4.3 out of 5 from 16 ratings, while Sound Spectrum Analysis averages 3.6 from 42 ratings.

### Do FFTWave or Sound Spectrum Analysis have ads?

Neither FFTWave nor Sound Spectrum Analysis shows ads.

### Which is updated more often, FFTWave or Sound Spectrum Analysis?

FFTWave ships an update every 15 months, and Sound Spectrum Analysis every 5 weeks. Most recently, FFTWave was updated on October 21, 2026 and Sound Spectrum Analysis on October 22, 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.*