# ChordDeck vs Scale Syllabus

The clearest difference is price: Scale Syllabus at Free against ChordDeck's $0.99. Scale Syllabus also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). ChordDeck's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

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

## The numbers

| Metric | ChordDeck | Scale Syllabus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | — |
| Size | 4 MB | 23 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shinhye Lee](https://appshunter.io/developer/1707333313) | [Barbaro Gianluca](https://appshunter.io/developer/1767112432) |

## 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


### Scale Syllabus

[App page](https://appshunter.io/ios/app/scale-syllabus/id6799873234)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale Syllabus Complete | $8.99 | one-time |


## Frequently asked questions

### Is ChordDeck free?

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

### Is Scale Syllabus free?

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

### Do ChordDeck or Scale Syllabus have ads?

Neither ChordDeck nor Scale Syllabus shows ads.

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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.*