# Jazzify vs Jazz Theory

The clearest difference is in-app purchases: Jazz Theory at none against Jazzify's 2. Jazzify's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Jazzify sells 2 in-app purchases, starting at $24.99 per month. Jazz Theory asks for nothing beyond the download.

Jazzify ships an update every 4 days, Jazz Theory every 2 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Jazzify | Jazz Theory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 204 MB | 20 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshio Nagayoshi](https://appshunter.io/developer/1884526096) | [ryusei kukita](https://appshunter.io/developer/1896759294) |

## What reviewers say

### Jazzify

[App page](https://appshunter.io/ios/app/jazzify/id6761457001)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jazzify Premium | $24.99 | per month |
| Jazzify Premium Yearly | $199.99 | per year |


### Jazz Theory

[App page](https://appshunter.io/ios/app/jazz-theory/id6770638400)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jazzify free?

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

### Is Jazz Theory free?

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

### Do Jazzify or Jazz Theory have ads?

Neither Jazzify nor Jazz Theory shows ads.

### Which is updated more often, Jazzify or Jazz Theory?

Jazzify ships an update every 4 days, and Jazz Theory every 2 weeks. Most recently, Jazzify was updated on October 18, 2026 and Jazz Theory on October 16, 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.*