# Harmony Lab vs Harmony Spiral

The clearest difference is iOS requirement: Harmony Spiral at 15.0 against Harmony Lab's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Harmony Lab sells 6 in-app purchases, starting at $1.99 per month and Harmony Spiral sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Harmony Lab | Harmony Spiral |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 33 MB | 34 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) | [Luis Antonio Castro](https://appshunter.io/developer/6793310085) |

## What reviewers say

### Harmony Lab

[App page](https://appshunter.io/ios/app/harmony-labchord-progressions/id6766231122)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | per month |
| Full Access | $4.99 | per month |
| Melodic Mind Standard Monthly | $7.99 | per month |
| Melodic Mind Pro Monthly | $11.99 | per month |
| Melodic Mind Standard Yearly | $59.99 | per year |
| Melodic Mind Pro Yearly | $89.99 | per year |


### Harmony Spiral

[App page](https://appshunter.io/ios/app/harmony-spiral/id6793310083)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmony Spiral Premium | $8.99 | one-time |


## Frequently asked questions

### Is Harmony Lab free?

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

### Is Harmony Spiral free?

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

### Do Harmony Lab or Harmony Spiral have ads?

Neither Harmony Lab nor Harmony Spiral 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.*