# Loop Slower vs Jazz Improv Practice & Scales

The clearest difference is price: Jazz Improv Practice & Scales at Free against Loop Slower's $0.99. Jazz Improv Practice & Scales also leads on update cadence (every 2 months vs every 12 months). Loop Slower's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Jazz Improv Practice & Scales is free to download; Loop Slower costs $0.99 up front. Jazz Improv Practice & Scales sells 3 in-app purchases, starting at $2.99 per 7 days. Loop Slower asks for nothing beyond the download.

Loop Slower ships an update every 12 months, Jazz Improv Practice & Scales every 2 months. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Loop Slower | Jazz Improv Practice & Scales |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Size | 5 MB | 4 MB |
| Requires iOS | 17.1 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Algirdas Gridziuska](https://appshunter.io/developer/1054530337) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Loop Slower

[App page](https://appshunter.io/ios/app/loop-slower/id6680190953)

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

**In-app purchases:** none


### Jazz Improv Practice & Scales

[App page](https://appshunter.io/ios/app/jazz-improv-practice-and-scales/id6771943460)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadenza Improv Prompts Weekly | $2.99 | per 7 days |
| Cadenza Improv Prompts Yearly | $14.99 | per year |
| Solo Practice Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Loop Slower free?

Loop Slower costs $0.99, with no in-app purchases.

### Is Jazz Improv Practice & Scales free?

Jazz Improv Practice & Scales is free to download, with in-app purchases available.

### Do Loop Slower or Jazz Improv Practice & Scales have ads?

Neither Loop Slower nor Jazz Improv Practice & Scales shows ads.

### Which is updated more often, Loop Slower or Jazz Improv Practice & Scales?

Loop Slower ships an update every 12 months, and Jazz Improv Practice & Scales every 2 months. Most recently, Loop Slower was updated on October 30, 2026 and Jazz Improv Practice & Scales on November 4, 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.*