# ChordDeck vs KnowYourNeck

The clearest difference is price: KnowYourNeck at Free against ChordDeck's $0.99. KnowYourNeck also leads on ratings volume (3 vs 1). ChordDeck's advantage is in-app purchases (none vs 2). On rating, review sentiment, update cadence and ads there is nothing between them.

KnowYourNeck is free to download; ChordDeck costs $0.99 up front. KnowYourNeck sells 2 in-app purchases, starting at $4.99 per month. ChordDeck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChordDeck against 5.0 for KnowYourNeck. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ChordDeck ships an update weekly, KnowYourNeck every 11 days. The most recent releases landed on August 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ChordDeck | KnowYourNeck |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/chorddeck/id6767094987/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/knowyourneck/id6780935661/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 79 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinhye Lee](https://appshunter.io/developer/1707333313) | [Adam Rhodes](https://appshunter.io/developer/6780935663) |

## What reviewers say

### ChordDeck

[App page](https://appshunter.io/ios/app/chorddeck/id6767094987)

This app provides jazz chord flashcards for musicians to practice chord recall. It displays chord symbols, tones, formulas, and keyboard highlights, with audio playback. Users can mark difficult cards for later review.

**Highlights:** Practice jazz chord qualities, Circle-of-fourths or random root order, Continuous or one-pass practice sessions, View chord tones, formulas, and keyboard highlights, Built-in audio playback, Mark and review difficult cards, Local storage for settings and marked cards

**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 ChordDeck free?

ChordDeck costs $0.99, with no in-app purchases.

### Is KnowYourNeck free?

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

### Which has better reviews, ChordDeck or KnowYourNeck?

ChordDeck and KnowYourNeck are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do ChordDeck or KnowYourNeck have ads?

Neither ChordDeck nor KnowYourNeck shows ads.

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

ChordDeck ships an update weekly, and KnowYourNeck every 11 days. Most recently, ChordDeck was updated on August 28, 2026 and KnowYourNeck on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*