# Harmonius vs ChordMaster AI

The clearest difference is in-app purchases: Harmonius at none against ChordMaster AI's 2. ChordMaster AI's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ChordMaster AI sells 2 in-app purchases, starting at $9.99 per month. Harmonius asks for nothing beyond the download.

## The numbers

| Metric | Harmonius | ChordMaster AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 152 MB | 22 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Brown](https://appshunter.io/developer/1496868083) | [JAMES PELTON CRYPTO, LLC](https://appshunter.io/developer/1122156882) |

## What reviewers say

### Harmonius

[App page](https://appshunter.io/ios/app/harmonius/id6499569641)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChordMaster AI

[App page](https://appshunter.io/ios/app/chordmaster-ai/id6747596399)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is Harmonius free?

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

### Is ChordMaster AI free?

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

### Do Harmonius or ChordMaster AI have ads?

Neither Harmonius nor ChordMaster AI shows ads.

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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.*