# Harmony Keyboard vs Piano3D

The clearest difference is in-app purchases: Piano3D at none against Harmony Keyboard's 1. Piano3D also leads on ads (none vs shown). Harmony Keyboard's advantage is iOS requirement (15.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Harmony Keyboard sells 1 in-app purchase, starting at $0.49 per month. Piano3D asks for nothing beyond the download.

## The numbers

| Metric | Harmony Keyboard | Piano3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 45 MB | 22 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SINCLAIR SYSTEM](https://appshunter.io/developer/1794147761) | [Tesshu Kameno](https://appshunter.io/developer/1868570906) |

## 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 |


### Piano3D

[App page](https://appshunter.io/ios/app/piano3d/id6761323860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmony Keyboard free?

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

### Is Piano3D free?

Piano3D is free to download, with no in-app purchases.

### Do Harmony Keyboard or Piano3D have ads?

Harmony Keyboard shows ads; Piano3D does not.

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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.*