# Song Key vs HarpTab

The clearest difference is in-app purchases: Song Key at none against HarpTab's 1. Song Key also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HarpTab sells 1 in-app purchase, starting at $19.99 per year. Song Key asks for nothing beyond the download.

## The numbers

| Metric | Song Key | HarpTab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/song-key/id6761066558/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 21 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gene Halbrooks](https://appshunter.io/developer/1887605489) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Song Key

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

Instantly identify the key of any song and discover the recommended harmonica for playing it. Get helpful tips and explore different playing positions, perfect for harmonica players of all levels.

**Highlights:** Identify song key instantly, Recommend harmonica for cross harp, Show straight harp option, Provide alternative playing positions, Include specific playing tips, Save recent searches

**Features:** macOS Compatibility

**In-app purchases:** none


### HarpTab

[App page](https://appshunter.io/ios/app/harptab/id6762344968)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Yearly | $19.99 | per year |


## Frequently asked questions

### Is Song Key free?

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

### Is HarpTab free?

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

### Do Song Key or HarpTab have ads?

Neither Song Key nor HarpTab 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.*