# ChordWeaver vs Harmony Lab

The clearest difference is price: Harmony Lab at Free against ChordWeaver's $9.99. Harmony Lab also leads on update cadence (every 5 weeks vs every 3 months). ChordWeaver's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Harmony Lab is free to download; ChordWeaver costs $9.99 up front. Harmony Lab sells 2 in-app purchases, starting at $1.99 per month. ChordWeaver asks for nothing beyond the download.

ChordWeaver ships an update every 3 months, Harmony Lab every 5 weeks. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ChordWeaver | Harmony Lab |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/chordweaver/id881635910/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 474 MB | 29 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jeannot Welter](https://appshunter.io/developer/881635913) | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) |

## What reviewers say

### ChordWeaver

[App page](https://appshunter.io/ios/app/chordweaver/id881635910)

Compose music using advanced harmonic techniques with this app. Explore 3636 chord resolutions and 10 instrument ensembles. It guides you through chord progressions, allowing you to listen, transpose, and save your compositions.

**Highlights:** Modern harmony composition, 3636 chord resolutions, 10 instrument ensembles, Listen to chord resolutions, Transpose chords, Save as .chords or .mid, Mirror to main system

**Features:** macOS Compatibility

**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 ChordWeaver free?

ChordWeaver costs $9.99, with no in-app purchases.

### Is Harmony Lab free?

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

### Do ChordWeaver or Harmony Lab have ads?

Neither ChordWeaver nor Harmony Lab shows ads.

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

ChordWeaver ships an update every 3 months, and Harmony Lab every 5 weeks. Most recently, ChordWeaver was updated on October 16, 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.*