# ScaleGen vs ThreeTuring

The clearest difference is update cadence: ThreeTuring at every 4 days against ScaleGen's every 29 months. ThreeTuring also leads on device support (3 vs 1). ScaleGen's advantage is price ($3.99 vs $9.99) and iOS requirement (10.0 vs 15.0). On ads and in-app purchases there is nothing between them.

ScaleGen costs $3.99 and ThreeTuring $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ScaleGen ships an update every 29 months, ThreeTuring every 4 days. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ScaleGen | ThreeTuring |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/scalegen/id908056629/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 14 MB | 40 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gestrument AB](https://appshunter.io/developer/576235485) | [Pagefall limited](https://appshunter.io/developer/1440149544) |

## 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


### ThreeTuring

[App page](https://appshunter.io/ios/app/threeturing/id6805922873)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ScaleGen free?

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

### Is ThreeTuring free?

ThreeTuring costs $9.99, with no in-app purchases.

### Do ScaleGen or ThreeTuring have ads?

Neither ScaleGen nor ThreeTuring shows ads.

### Which is updated more often, ScaleGen or ThreeTuring?

ScaleGen ships an update every 29 months, and ThreeTuring every 4 days. Most recently, ScaleGen was updated on September 27, 2026 and ThreeTuring on October 3, 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.*