# JazzEar vs ChordDeck

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

JazzEar is free to download; ChordDeck costs $0.99 up front. JazzEar sells 1 one-off in-app purchase. ChordDeck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for JazzEar against 5.0 for ChordDeck. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

JazzEar ships an update every 4 days, ChordDeck weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | JazzEar | ChordDeck |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/jazzear/id6752314361/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/chorddeck/id6767094987/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 44 MB | 4 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Cohn](https://appshunter.io/developer/993517375) | [Shinhye Lee](https://appshunter.io/developer/1707333313) |

## What reviewers say

### JazzEar

[App page](https://appshunter.io/ios/app/jazzear/id6752314361)

Enhance your jazz chord progression recognition with diverse exercises. Study curated progressions, practice random sequences, and tackle challenges inspired by real jazz tunes. Track your progress and compete with friends on daily songs.

**Highlights:** Hundreds of curated chord progressions, Randomly generated chord sequences, Progressions inspired by real jazz tunes, Daily song challenges, Streak and performance statistics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $6.99 | one-time |


### 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


## Frequently asked questions

### Is JazzEar free?

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

### Is ChordDeck free?

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

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

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

### Do JazzEar or ChordDeck have ads?

Neither JazzEar nor ChordDeck shows ads.

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

JazzEar ships an update every 4 days, and ChordDeck weekly. Most recently, JazzEar was updated on October 28, 2026 and ChordDeck 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.*