# TB Spectrogram vs FFT Spectrogram Music Player

The clearest difference is in-app purchases: TB Spectrogram at none against FFT Spectrogram Music Player's 1. TB Spectrogram also leads on iOS requirement (13.0 vs 17.0). FFT Spectrogram Music Player's advantage is update cadence (every 6 days vs every 3 weeks). On price, 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. TB Spectrogram asks for nothing beyond the download.

TB Spectrogram ships an update every 3 weeks, FFT Spectrogram Music Player every 6 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TB Spectrogram | FFT Spectrogram Music Player |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Paid | — |
| Size | 15 MB | 134 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Proiectus GmbH](https://appshunter.io/developer/1885129725) |

## What reviewers say

### TB Spectrogram

[App page](https://appshunter.io/ios/app/tb-spectrogram/id1530170842)

This app provides real-time audio analysis with a spectrogram, spectrum analyzer, and goniometer. It can be used as a standalone application or as an AUv3 plugin within compatible music production hosts. Visualize your audio in detail with adjustable settings and multiple display options.

**Highlights:** Real-time spectrogram and spectrum analysis, Goniometer for stereo signal analysis, AUv3 plugin compatibility, Adjustable frequency and time resolution, Customizable color themes, On-screen piano keyboard mapping

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is TB Spectrogram free?

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

### Is FFT Spectrogram Music Player free?

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

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

Neither TB Spectrogram nor FFT Spectrogram Music Player shows ads.

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

TB Spectrogram ships an update every 3 weeks, and FFT Spectrogram Music Player every 6 days. Most recently, TB Spectrogram was updated on October 6, 2026 and FFT Spectrogram Music Player on October 9, 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.*