# SimpleFFT vs Cacophone

The clearest difference is in-app purchases: Cacophone at none against SimpleFFT's 1. Cacophone also leads on ads (none vs shown) and update cadence (every 3 months vs every 18 months). On price and device support there is nothing between them.

Both are free to download. SimpleFFT sells 1 one-off in-app purchase. Cacophone asks for nothing beyond the download.

SimpleFFT ships an update every 18 months, Cacophone every 3 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SimpleFFT | Cacophone |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 5 MB | 9 MB |
| Requires iOS | 15.0 | **11.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [Enyi Tan](https://appshunter.io/developer/1275560087) |

## What reviewers say

### SimpleFFT

[App page](https://appshunter.io/ios/app/simplefft/id1239257017)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Functions | $0.49 | one-time |


### 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


## Frequently asked questions

### Is SimpleFFT free?

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

### Is Cacophone free?

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

### Do SimpleFFT or Cacophone have ads?

SimpleFFT shows ads; Cacophone does not.

### Which is updated more often, SimpleFFT or Cacophone?

SimpleFFT ships an update every 18 months, and Cacophone every 3 months. Most recently, SimpleFFT was updated on October 10, 2026 and Cacophone on October 6, 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.*