# Harmony Keyboard vs CrossMetronome

The clearest difference is ads: CrossMetronome at none against Harmony Keyboard's shown. CrossMetronome also leads on update cadence (every 3 days vs every 5 weeks). Harmony Keyboard's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases 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 and CrossMetronome sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Harmony Keyboard ships an update every 5 weeks, CrossMetronome every 3 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Harmony Keyboard | CrossMetronome |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 45 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SINCLAIR SYSTEM](https://appshunter.io/developer/1794147761) | [Yuya Homma](https://appshunter.io/developer/1894106273) |

## 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 |


### CrossMetronome

[App page](https://appshunter.io/ios/app/crossmetronome/id6762463071)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒーをおごる | $1.99 | one-time |
| 広告を永久削除 | $3.99 | one-time |


## Frequently asked questions

### Is Harmony Keyboard free?

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

### Is CrossMetronome free?

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

### Do Harmony Keyboard or CrossMetronome have ads?

Harmony Keyboard shows ads; CrossMetronome does not.

### Which is updated more often, Harmony Keyboard or CrossMetronome?

Harmony Keyboard ships an update every 5 weeks, and CrossMetronome every 3 days. Most recently, Harmony Keyboard was updated on October 24, 2026 and CrossMetronome on October 31, 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.*