# FFT Spectrogram Music Player vs Morlet

The clearest difference is in-app purchases: Morlet at none against FFT Spectrogram Music Player's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FFT Spectrogram Music Player sells 1 one-off in-app purchase. Morlet asks for nothing beyond the download.

FFT Spectrogram Music Player ships an update every 6 days, Morlet weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | FFT Spectrogram Music Player | Morlet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/morlet-spectrum-and-wavelets/id6822389508/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | — | Free |
| Size | 134 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proiectus GmbH](https://appshunter.io/developer/1885129725) | [EVAN DAVID WELLMEYER](https://appshunter.io/developer/6805599662) |

## What reviewers say

### FFT Spectrogram Music Player

[App page](https://appshunter.io/ios/app/fft-spectrogram-music-player/id6763494800)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Morlet

[App page](https://appshunter.io/ios/app/morlet-spectrum-and-wavelets/id6822389508)

Visualize sound in real-time with detailed frequency and time analysis. Explore audio from recordings or your microphone, identify notes, harmonics, and rhythm. Customize the display and export your findings.

**Highlights:** Live frequency over time visualization, Spectrum and Wavelet analysis modes, Import audio from files or other apps, Tap and drag for detailed audio readings, Pitch line and tuner, Customizable display and color themes, Record and export audio and analysis data

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

**In-app purchases:** none


## Frequently asked questions

### Is FFT Spectrogram Music Player free?

FFT Spectrogram Music Player is free to download, with in-app purchases available.

### Is Morlet free?

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

### Do FFT Spectrogram Music Player or Morlet have ads?

Neither FFT Spectrogram Music Player nor Morlet shows ads.

### Which is updated more often, FFT Spectrogram Music Player or Morlet?

FFT Spectrogram Music Player ships an update every 6 days, and Morlet weekly. Most recently, FFT Spectrogram Music Player was updated on October 31, 2026 and Morlet on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*