# Jazz Standards Checklist vs Jazz Catalog

The clearest difference is price: Jazz Catalog at Free against Jazz Standards Checklist's $2.99. Jazz Catalog also leads on update cadence (every 2 days vs every 7 months). Jazz Standards Checklist's advantage is iOS requirement (16.4 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Jazz Catalog is free to download; Jazz Standards Checklist costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jazz Standards Checklist ships an update every 7 months, Jazz Catalog every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Jazz Standards Checklist | Jazz Catalog |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 33 MB | 82 MB |
| Requires iOS | **16.4** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tabito ozaki](https://appshunter.io/developer/1884003335) | [Nicolas Tejera](https://appshunter.io/developer/1510490248) |

## 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


### Jazz Catalog

[App page](https://appshunter.io/ios/app/jazz-catalog/id6767055545)

**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 Jazz Catalog free?

Jazz Catalog is free to download, with no in-app purchases.

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

Neither Jazz Standards Checklist nor Jazz Catalog shows ads.

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

Jazz Standards Checklist ships an update every 7 months, and Jazz Catalog every 2 days. Most recently, Jazz Standards Checklist was updated on October 31, 2026 and Jazz Catalog on October 31, 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.*