# iImprov vs ScaleMate

The clearest difference is update cadence: ScaleMate at fortnightly against iImprov's every 32 months. ScaleMate also leads on ratings volume (24 vs 7). iImprov's advantage is iOS requirement (8.0 vs 17.5). On price, rating, review sentiment and ads there is nothing between them.

iImprov costs $3.99 and ScaleMate $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for iImprov against 4.8 for ScaleMate. Both are backed by a comparable volume of ratings — 7 and 24 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

iImprov ships an update every 32 months, ScaleMate fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iImprov | ScaleMate |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/iimprov-bebop/id572415820/reviews)** | [4.8 (24 ratings)](https://appshunter.io/ios/app/scalemate-visualize-harmony/id1538285671/reviews) |
| Number of ratings | 7 | **24** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 19 MB | 36 MB |
| Requires iOS | **8.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jazz Apps Mobile LLC](https://appshunter.io/developer/421582808) | [Anton Schwartz](https://appshunter.io/developer/1330331588) |

## What reviewers say

### iImprov

[App page](https://appshunter.io/ios/app/iimprov-bebop/id572415820)

Explore the language of Bebop with comprehensive lessons and interactive jam-alongs. Learn to master bebop scales, develop longer phrases, and practice chord substitutions with tempo-adjustable audio examples and transposable notation.

**Highlights:** Bebop scale realization, Phrase development techniques, Turnarounds and chord substitutions, Confirmation sequence breakdown, I Got Rhythm changes practice, Tempo-adjustable jam-alongs, Transposable notation

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

**In-app purchases:** none


### ScaleMate

[App page](https://appshunter.io/ios/app/scalemate-visualize-harmony/id1538285671)

This app provides an interactive reference for understanding music scales and jazz harmony. It allows users to hear, visualize, and manipulate scales to deepen their comprehension of musical concepts. Features include expert write-ups, practical usage tips, and animated transformations between scales.

**Highlights:** Hear scales as melodies, Visualize scales on circle of fifths, Expert scale write-ups, Manipulate scales and hear changes, Full library of scales, Automatic scale recognition, Animated scale transformations

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

**In-app purchases:** none


## Frequently asked questions

### Is iImprov free?

iImprov costs $3.99, with no in-app purchases.

### Is ScaleMate free?

ScaleMate costs $3.99, with no in-app purchases.

### Which has better reviews, iImprov or ScaleMate?

iImprov is rated higher. iImprov averages 4.9 out of 5 from 7 ratings, while ScaleMate averages 4.8 from 24 ratings.

### Do iImprov or ScaleMate have ads?

Neither iImprov nor ScaleMate shows ads.

### Which is updated more often, iImprov or ScaleMate?

iImprov ships an update every 32 months, and ScaleMate fortnightly. Most recently, iImprov was updated on October 23, 2026 and ScaleMate on October 24, 2026.

---

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