# Song Key vs Harmonica Studio

The clearest difference is in-app purchases: Song Key at none against Harmonica Studio's 3. Song Key also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Harmonica Studio sells 3 in-app purchases, starting at $4.99 per month. Song Key asks for nothing beyond the download.

## The numbers

| Metric | Song Key | Harmonica Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 21 MB | 6 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gene Halbrooks](https://appshunter.io/developer/1887605489) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### Song Key

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmonica Studio

[App page](https://appshunter.io/ios/app/harmonica-studio-tabs-and-bend/id6776352812)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonica Pro Monthly | $4.99 | per month |
| Harmonica Pro Yearly | $29.99 | per year |
| Harmonica Studio Pro Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Song Key free?

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

### Is Harmonica Studio free?

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

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

Neither Song Key nor Harmonica Studio 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.*