# Scale Practice vs Impro Master

The clearest difference is in-app purchases: Scale Practice at none against Impro Master's 1. Impro Master's advantage is ratings volume (46 vs 12) and iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Impro Master sells 1 one-off in-app purchase. Scale Practice asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Scale Practice against 4.6 for Impro Master. Both are backed by a comparable volume of ratings — 12 and 46 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Scale Practice | Impro Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (12 ratings)](https://appshunter.io/ios/app/scale-practice-randomizer/id1496727056/reviews) | **[4.6 (46 ratings)](https://appshunter.io/ios/app/impro-master/id1552035106/reviews)** |
| Number of ratings | 12 | **46** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 190 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Burdiss](https://appshunter.io/developer/1496727055) | [Luis Gimenez Alvarez](https://appshunter.io/developer/1552035108) |

## What reviewers say

### Scale Practice

[App page](https://appshunter.io/ios/app/scale-practice-randomizer/id1496727056)

This music app generates random scales and arpeggios for practice. It offers a diverse selection of scales, including user-defined options, and provides resources like images and descriptions to aid learning. It's a tool to vary your practice routine.

**Highlights:** Random scale generation, User-inputted scale selection, Diverse scale library, Arpeggio practice, Scale resources and images

**Features:** macOS Compatibility

**In-app purchases:** none


### Impro Master

[App page](https://appshunter.io/ios/app/impro-master/id1552035106)

This app helps musicians practice improvisation and compose chord progressions with AI-generated sequences and realistic instrument playback. It offers customizable parameters, various musical styles, and tools for both beginners and professionals.

**Highlights:** AI chord progression generation, Realistic instrument playback, 16 musical styles, Customizable parameters, Load and save progressions, Light & Dark Mode

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the Full Version | $6.99 | one-time |


## Frequently asked questions

### Is Scale Practice free?

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

### Is Impro Master free?

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

### Which has better reviews, Scale Practice or Impro Master?

Impro Master is rated higher. Scale Practice averages 4.6 out of 5 from 12 ratings, while Impro Master averages 4.6 from 46 ratings.

### Do Scale Practice or Impro Master have ads?

Neither Scale Practice nor Impro Master shows ads.

### Which is updated more often, Scale Practice or Impro Master?

Scale Practice ships an update every 2 months, and Impro Master every 2 months. Most recently, Scale Practice was updated on September 10, 2026 and Impro Master on September 30, 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.*