# Simple Arranger Keyboard vs Scale Runner

The clearest difference is ads: Scale Runner at none against Simple Arranger Keyboard's shown. Scale Runner also leads on update cadence (weekly vs every 3 weeks). Simple Arranger Keyboard's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Arranger Keyboard sells 1 one-off in-app purchase and Scale Runner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Simple Arranger Keyboard ships an update every 3 weeks, Scale Runner weekly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Simple Arranger Keyboard | Scale Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/simple-arranger-keyboard/id6755620803/reviews)** | — |
| Number of ratings | **15** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Demir](https://appshunter.io/developer/1204716531) | [C1GNUS STUD1O](https://appshunter.io/developer/6795326950) |

## What reviewers say

### Simple Arranger Keyboard

[App page](https://appshunter.io/ios/app/simple-arranger-keyboard/id6755620803)

Create, practice, and perform music with a virtual instrument, synthesizer, and production studio. Features a velocity-sensitive keyboard, live accompaniment rhythms, and MIDI recording capabilities. Enhance your sound with studio-grade effects and customize your setup for the perfect playing experience.

**Highlights:** Velocity-sensitive arranger keyboard, Live accompaniment rhythms and styles, MIDI player and recorder, Learn music with note names and Solfege, Studio-grade effects, Customizable keyboard size, Built-in metronome

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $4.99 | one-time |


### Scale Runner

[App page](https://appshunter.io/ios/app/scale-runner-theory-practice/id6795850810)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale Runner Pro | $14.99 | one-time |


## Frequently asked questions

### Is Simple Arranger Keyboard free?

Simple Arranger Keyboard is free to download, with in-app purchases available.

### Is Scale Runner free?

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

### Do Simple Arranger Keyboard or Scale Runner have ads?

Simple Arranger Keyboard shows ads; Scale Runner does not.

### Which is updated more often, Simple Arranger Keyboard or Scale Runner?

Simple Arranger Keyboard ships an update every 3 weeks, and Scale Runner weekly. Most recently, Simple Arranger Keyboard was updated on October 22, 2026 and Scale Runner 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.*