# Jazz Progression Trainer vs KnowYourNeck

The clearest difference is price: KnowYourNeck at Free against Jazz Progression Trainer's $2.99. KnowYourNeck also leads on update cadence (every 11 days vs every 6 months). Jazz Progression Trainer's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

KnowYourNeck is free to download; Jazz Progression Trainer costs $2.99 up front. KnowYourNeck sells 2 in-app purchases, starting at $4.99 per month. Jazz Progression Trainer asks for nothing beyond the download.

Jazz Progression Trainer ships an update every 6 months, KnowYourNeck every 11 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Jazz Progression Trainer | KnowYourNeck |
| --- | --- | --- |
| Price | $2.99 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 79 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tabito ozaki](https://appshunter.io/developer/1884003335) | [Adam Rhodes](https://appshunter.io/developer/6780935663) |

## What reviewers say

### Jazz Progression Trainer

[App page](https://appshunter.io/ios/app/jazz-progression-trainer/id6761685294)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Jazz Progression Trainer free?

Jazz Progression Trainer costs $2.99, with no in-app purchases.

### Is KnowYourNeck free?

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

### Do Jazz Progression Trainer or KnowYourNeck have ads?

Neither Jazz Progression Trainer nor KnowYourNeck shows ads.

### Which is updated more often, Jazz Progression Trainer or KnowYourNeck?

Jazz Progression Trainer ships an update every 6 months, and KnowYourNeck every 11 days. Most recently, Jazz Progression Trainer was updated on October 31, 2026 and KnowYourNeck on October 28, 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.*