# ChordDeck vs iChanges

The clearest difference is update cadence: ChordDeck at weekly against iChanges's every 3 weeks. ChordDeck also leads on price ($0.99 vs $3.99). iChanges's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

ChordDeck costs $0.99 and iChanges $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChordDeck ships an update weekly, iChanges every 3 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ChordDeck | iChanges |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chorddeck/id6767094987/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 4 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shinhye Lee](https://appshunter.io/developer/1707333313) | [Klaus Storck](https://appshunter.io/developer/6774789416) |

## 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


### iChanges

[App page](https://appshunter.io/ios/app/ichanges-jazz-chord-trainer/id6774789414)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChordDeck free?

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

### Is iChanges free?

iChanges costs $3.99, with no in-app purchases.

### Do ChordDeck or iChanges have ads?

Neither ChordDeck nor iChanges shows ads.

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

ChordDeck ships an update weekly, and iChanges every 3 weeks. Most recently, ChordDeck was updated on October 15, 2026 and iChanges on October 25, 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.*