# Euterpe vs Jazz Improviser

The clearest difference is in-app purchases: Jazz Improviser at none against Euterpe's 1. Jazz Improviser also leads on iOS requirement (15.0 vs 26.2). Euterpe's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Euterpe sells 1 one-off in-app purchase. Jazz Improviser asks for nothing beyond the download.

Euterpe ships an update every 2 days, Jazz Improviser every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Euterpe | Jazz Improviser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 56 MB | 64 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [diego indraccolo](https://appshunter.io/developer/1878172813) | [Atte Tenkanen](https://appshunter.io/developer/1857262351) |

## What reviewers say

### Euterpe

[App page](https://appshunter.io/ios/app/euterpe-chord-plus-scale-entry/id6759628072)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Euterpe Pro | $6.99 | one-time |


### Jazz Improviser

[App page](https://appshunter.io/ios/app/jazz-improviser/id6785305246)

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

**In-app purchases:** none


## Frequently asked questions

### Is Euterpe free?

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

### Is Jazz Improviser free?

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

### Do Euterpe or Jazz Improviser have ads?

Neither Euterpe nor Jazz Improviser shows ads.

### Which is updated more often, Euterpe or Jazz Improviser?

Euterpe ships an update every 2 days, and Jazz Improviser every 3 weeks. Most recently, Euterpe was updated on October 24, 2026 and Jazz Improviser on October 28, 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.*