# Harmony Lab vs maxChord

The clearest difference is update cadence: maxChord at every 10 days against Harmony Lab's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Harmony Lab sells 2 in-app purchases, starting at $1.99 per month and maxChord sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Harmony Lab ships an update every 5 weeks, maxChord every 10 days. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Harmony Lab | maxChord |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 29 MB | 317 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) | [Maximilian Schmidt](https://appshunter.io/developer/6792498118) |

## 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | per month |
| Full Access | $4.99 | per month |


### maxChord

[App page](https://appshunter.io/ios/app/maxchord/id6792498116)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $8.99 | per year |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Harmony Lab free?

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

### Is maxChord free?

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

### Do Harmony Lab or maxChord have ads?

Neither Harmony Lab nor maxChord shows ads.

### Which is updated more often, Harmony Lab or maxChord?

Harmony Lab ships an update every 5 weeks, and maxChord every 10 days. Most recently, Harmony Lab was updated on September 27, 2026 and maxChord on September 26, 2026.

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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.*