# Scale Navigator Dashboard vs Harmony Lab

The clearest difference is in-app purchases: Scale Navigator Dashboard at none against Harmony Lab's 2. Scale Navigator Dashboard also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (15.5 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. Scale Navigator Dashboard asks for nothing beyond the download.

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

## The numbers

| Metric | Scale Navigator Dashboard | Harmony Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/scale-navigator-dashboard/id6757498960/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 13 MB | 29 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Turczan](https://appshunter.io/developer/1691635354) | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) |

## What reviewers say

### Scale Navigator Dashboard

[App page](https://appshunter.io/ios/app/scale-navigator-dashboard/id6757498960)

Explore musical harmony by navigating scales and chords. Save interesting progressions, build songs step-by-step, and sync with other musicians or DAWs in real-time. Visualize the interconnected network of scales in 2D or 3D.

**Highlights:** Navigate interconnected scales, Explore and save chord progressions, Build songs step-by-step, Real-time ensemble syncing, DAW integration, 3D scale network visualization, Instrument tablature display

**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 Scale Navigator Dashboard free?

Scale Navigator Dashboard 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 Scale Navigator Dashboard or Harmony Lab have ads?

Neither Scale Navigator Dashboard nor Harmony Lab shows ads.

### Which is updated more often, Scale Navigator Dashboard or Harmony Lab?

Scale Navigator Dashboard ships an update every 5 days, and Harmony Lab every 5 weeks. Most recently, Scale Navigator Dashboard was updated on October 6, 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.*