# KnowYourNeck vs Harmonauta

The clearest difference is in-app purchases: Harmonauta at none against KnowYourNeck's 2. Harmonauta also leads on update cadence (every 4 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KnowYourNeck sells 2 in-app purchases, starting at $4.99 per month. Harmonauta asks for nothing beyond the download.

KnowYourNeck ships an update every 11 days, Harmonauta every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KnowYourNeck | Harmonauta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/knowyourneck/id6780935661/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adam Rhodes](https://appshunter.io/developer/6780935663) | [Evandro Guedes Machado](https://appshunter.io/developer/1882816684) |

## What reviewers say

### KnowYourNeck

[App page](https://appshunter.io/ios/app/knowyourneck/id6780935661)

Explore the interconnectedness of musical scales and arpeggios on a guitar fretboard. Visualize chord tones, target notes, and practice with visual overlays for backing tracks. Offers tools for learning intervals, scales, and chords, with advanced features for Pro users.

**Highlights:** Overlay multiple arpeggios, Identify target notes between chords, Play along with visual fretboard overlay, Visualize intervals and scales, Display chord voicings and inversions, Real-time pitch detection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnowYourNeck Pro | $4.99 | per month |
| KnowYourNeck Pro | $49.99 | per year |


### Harmonauta

[App page](https://appshunter.io/ios/app/harmonauta-music-maker/id6809853292)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnowYourNeck free?

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

### Is Harmonauta free?

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

### Do KnowYourNeck or Harmonauta have ads?

Neither KnowYourNeck nor Harmonauta shows ads.

### Which is updated more often, KnowYourNeck or Harmonauta?

KnowYourNeck ships an update every 11 days, and Harmonauta every 4 days. Most recently, KnowYourNeck was updated on October 28, 2026 and Harmonauta on October 31, 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.*