# Jazz Standards Checklist vs ChordDeck

The clearest difference is update cadence: ChordDeck at weekly against Jazz Standards Checklist's every 7 months. ChordDeck also leads on price ($0.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Jazz Standards Checklist costs $2.99 and ChordDeck $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jazz Standards Checklist ships an update every 7 months, ChordDeck weekly. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Jazz Standards Checklist | ChordDeck |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| 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 | Every 7 months | **Weekly** |
| Monetization | — | Paid |
| Size | 33 MB | 4 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tabito ozaki](https://appshunter.io/developer/1884003335) | [Shinhye Lee](https://appshunter.io/developer/1707333313) |

## What reviewers say

### Jazz Standards Checklist

[App page](https://appshunter.io/ios/app/jazz-standards-checklist/id6760345245)

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

**In-app purchases:** none


### 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 Jazz Standards Checklist free?

Jazz Standards Checklist costs $2.99, with no in-app purchases.

### Is ChordDeck free?

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

### Do Jazz Standards Checklist or ChordDeck have ads?

Neither Jazz Standards Checklist nor ChordDeck shows ads.

### Which is updated more often, Jazz Standards Checklist or ChordDeck?

Jazz Standards Checklist ships an update every 7 months, and ChordDeck weekly. Most recently, Jazz Standards Checklist was updated on October 16, 2026 and ChordDeck on September 29, 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.*