# Jam Lab vs Harmony Lab

The clearest difference is in-app purchases: Jam Lab at none against Harmony Lab's 2. Jam Lab also leads on update cadence (every 6 days vs every 5 weeks) and iOS requirement (15.6 vs 17.6). On price, ads 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. Jam Lab asks for nothing beyond the download.

Jam Lab ships an update every 6 days, Harmony Lab every 5 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Jam Lab | Harmony Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jam-lab-chord-progressions/id6502743961/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 402 MB | 29 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julien Marocco](https://appshunter.io/developer/1746645471) | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) |

## What reviewers say

### Jam Lab

[App page](https://appshunter.io/ios/app/jam-lab-chord-progressions/id6502743961)

This music creation tool helps musicians generate chord progressions, build song structures, and train their ear. It offers modes for quick idea generation or in-depth song writing, with features for practicing grooves and exporting musical ideas.

**Highlights:** Generate chord progressions, Build song structures, Practice grooves, Ear training exercises, Export to MIDI/MusicXML/Audio, Explore scales and modes, Generate lyric ideas

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Jam Lab free?

Jam Lab is free to download, with no in-app purchases.

### Is Harmony Lab free?

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

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

Neither Jam Lab nor Harmony Lab shows ads.

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

Jam Lab ships an update every 6 days, and Harmony Lab every 5 weeks. Most recently, Jam Lab was updated on October 8, 2026 and Harmony Lab on October 12, 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.*