# Cacophone vs Wavelet Voice Sonogram

The clearest difference is price: Cacophone at Free against Wavelet Voice Sonogram's $6.99. Cacophone also leads on update cadence (every 3 months vs every 8 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Cacophone is free to download; Wavelet Voice Sonogram costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cacophone ships an update every 3 months, Wavelet Voice Sonogram every 8 months. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Cacophone | Wavelet Voice Sonogram |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/cacophone/id1333182088/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 9 MB | 0 MB |
| Requires iOS | **11.2** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Enyi Tan](https://appshunter.io/developer/1275560087) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### Cacophone

[App page](https://appshunter.io/ios/app/cacophone/id1333182088)

This audio tool offers essential functions for musicians and audio engineers. It includes a tone generator, metronome, and advanced analysis tools like FFT and formant analysis, all within a straightforward interface.

**Highlights:** Tone generator (sine, square, triangle, sawtooth), Dynamic waveform visualization, Metronome with BPM, tempo, and signature, Frequency and amplitude analysis, Real-time FFT and formant calculation, Adjustable resolution for analysis

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

**In-app purchases:** none


### Wavelet Voice Sonogram

[App page](https://appshunter.io/ios/app/wavelet-voice-sonogram/id1574131130)

**In-app purchases:** none


## Frequently asked questions

### Is Cacophone free?

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

### Is Wavelet Voice Sonogram free?

Wavelet Voice Sonogram costs $6.99, with no in-app purchases.

### Do Cacophone or Wavelet Voice Sonogram have ads?

Neither Cacophone nor Wavelet Voice Sonogram shows ads.

### Which is updated more often, Cacophone or Wavelet Voice Sonogram?

Cacophone ships an update every 3 months, and Wavelet Voice Sonogram every 8 months. Most recently, Cacophone was updated on October 6, 2026 and Wavelet Voice Sonogram on September 26, 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.*