# Harmony Keyboard vs Simple Arranger Keyboard

The clearest difference is iOS requirement: Simple Arranger Keyboard at 13.0 against Harmony Keyboard's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Harmony Keyboard sells 1 in-app purchase, starting at $0.49 per month and Simple Arranger Keyboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Harmony Keyboard ships an update monthly, Simple Arranger Keyboard every 3 weeks. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Harmony Keyboard | Simple Arranger Keyboard |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 130 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SINCLAIR SYSTEM](https://appshunter.io/developer/1794147761) | [Mustafa Demir](https://appshunter.io/developer/1204716531) |

## What reviewers say

### Harmony Keyboard

[App page](https://appshunter.io/ios/app/harmony-keyboard/id6745786039)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.49 | per month |


### 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 |


## Frequently asked questions

### Is Harmony Keyboard free?

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

### Is Simple Arranger Keyboard free?

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

### Do Harmony Keyboard or Simple Arranger Keyboard have ads?

Both Harmony Keyboard and Simple Arranger Keyboard show ads.

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

Harmony Keyboard ships an update monthly, and Simple Arranger Keyboard every 3 weeks. Most recently, Harmony Keyboard was updated on November 5, 2026 and Simple Arranger Keyboard on October 30, 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.*