# Harmonica Trainer vs Song Key

The clearest difference is price: Song Key at Free against Harmonica Trainer's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Song Key is free to download; Harmonica Trainer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Harmonica Trainer | Song Key |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 19 MB | 21 MB |
| Requires iOS | **14.5** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kemper Consulting, LLC](https://appshunter.io/developer/1694185194) | [Gene Halbrooks](https://appshunter.io/developer/1887605489) |

## What reviewers say

### Harmonica Trainer

[App page](https://appshunter.io/ios/app/harmonica-trainer/id6450636516)

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

**In-app purchases:** none


### Song Key

[App page](https://appshunter.io/ios/app/song-key/id6761066558)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harmonica Trainer free?

Harmonica Trainer costs $0.99, with no in-app purchases.

### Is Song Key free?

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

### Do Harmonica Trainer or Song Key have ads?

Neither Harmonica Trainer nor Song Key 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.*