# ScaleGen vs Audio Toolbox

The clearest difference is review sentiment: Audio Toolbox at 100% against ScaleGen's 71%. Audio Toolbox also leads on rating (5.0 vs 4.7) and update cadence (every 8 months vs every 29 months). ScaleGen's advantage is iOS requirement (10.0 vs 13). On price, ratings volume, ads and in-app purchases there is nothing between them.

ScaleGen costs $3.99 and Audio Toolbox $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audio Toolbox holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews point the same way: 71% of ScaleGen's written reviews are positive against 100% of Audio Toolbox's.

ScaleGen ships an update every 29 months, Audio Toolbox every 8 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ScaleGen | Audio Toolbox |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/scalegen/id908056629/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/audio-toolbox/id1353387223/reviews)** |
| Number of ratings | **12** | 7 |
| Positive reviews | 70.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 8 months** |
| Monetization | Paid | Paid |
| Size | 14 MB | 3 MB |
| Requires iOS | **10.0** | 13 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gestrument AB](https://appshunter.io/developer/576235485) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### ScaleGen

[App page](https://appshunter.io/ios/app/scalegen/id908056629)

Generate and edit musical scales with intricate detail. Explore traditional and experimental tunings, audition your creations, and export them as MIDI files or to other applications. Ideal for composers and students seeking to expand their musical horizons.

**Highlights:** Generate and manipulate musical scales, Detailed scale definition and editing, Audition scales within the app, Export as MIDI or to Gestrument, Predefined scales from various traditions, Explore microtonal and experimental tunings

**In-app purchases:** none


### Audio Toolbox

[App page](https://appshunter.io/ios/app/audio-toolbox/id1353387223)

This app provides a comprehensive suite of audio analysis tools, including a tone generator, oscilloscope, and FFT analysis engine. It allows users to create and analyze various waveforms, detect frequencies, and tune instruments with high accuracy.

**Highlights:** Tone Generator (20Hz-22KHz), Multiple Waveform Options, Fast Fourier Analysis, Audio Oscilloscope, Frequency and Note Detection, SPL Meter with LEQ, CSV Data Export

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScaleGen free?

ScaleGen costs $3.99, with no in-app purchases.

### Is Audio Toolbox free?

Audio Toolbox costs $3.99, with no in-app purchases.

### Which has better reviews, ScaleGen or Audio Toolbox?

Audio Toolbox is rated higher. ScaleGen averages 4.7 out of 5 from 12 ratings, while Audio Toolbox averages 5.0 from 7 ratings.

### Do ScaleGen or Audio Toolbox have ads?

Neither ScaleGen nor Audio Toolbox shows ads.

### Which is updated more often, ScaleGen or Audio Toolbox?

ScaleGen ships an update every 29 months, and Audio Toolbox every 8 months. Most recently, ScaleGen was updated on October 26, 2026 and Audio Toolbox on October 24, 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.*