# iMproviser vs Jazzbooks Streaming

The clearest difference is rating: Jazzbooks Streaming at 2.5 against iMproviser's 1.5. Jazzbooks Streaming also leads on update cadence (monthly vs every 73 months) and review sentiment (17% vs 0%). iMproviser's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jazzbooks Streaming holds the better App Store score, 2.5 against 1.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 0% of iMproviser's written reviews are positive against 17% of Jazzbooks Streaming's.

iMproviser ships an update every 73 months, Jazzbooks Streaming monthly. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iMproviser | Jazzbooks Streaming |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/improviser/id414087216/reviews) | **[2.5 (8 ratings)](https://appshunter.io/ios/app/jazzbooks-streaming/id1667200133/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 0.0% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 73 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 42 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Formatics](https://appshunter.io/developer/398621806) | [Mediaura, Inc.](https://appshunter.io/developer/456029202) |

## What reviewers say

### iMproviser

[App page](https://appshunter.io/ios/app/improviser/id414087216)

Learn to improvise jazz and blues music with practical exercises. This app offers 6 pages of exercises in all 12 keys, suitable for all wind instruments.

**Highlights:** Jazz and blues improvisation, Practical exercises, 12 keys, All wind instruments, Beginner-friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### Jazzbooks Streaming

[App page](https://appshunter.io/ios/app/jazzbooks-streaming/id1667200133)

Practice jazz improvisation with recordings of legendary musicians. Adjust tempo and key to suit your learning style. Explore a vast library of tracks featuring real instruments, not AI.

**Highlights:** Play with jazz legends, Real musicians, not AI, Over 2,000 tracks, Adjust tempo and key, Bass & drums or piano & drums backing

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

**In-app purchases:** none


## Frequently asked questions

### Is iMproviser free?

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

### Is Jazzbooks Streaming free?

Jazzbooks Streaming is free to download, with no in-app purchases.

### Which has better reviews, iMproviser or Jazzbooks Streaming?

Jazzbooks Streaming is rated higher. iMproviser averages 1.5 out of 5 from 2 ratings, while Jazzbooks Streaming averages 2.5 from 8 ratings.

### Do iMproviser or Jazzbooks Streaming have ads?

Neither iMproviser nor Jazzbooks Streaming shows ads.

### Which is updated more often, iMproviser or Jazzbooks Streaming?

iMproviser ships an update every 73 months, and Jazzbooks Streaming monthly. Most recently, iMproviser was updated on October 1, 2026 and Jazzbooks Streaming on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*