# Key Series vs Scale Practice

The clearest difference is review sentiment: Scale Practice at 100% against Key Series's 0%. Scale Practice also leads on rating (4.6 vs 1.4) and device support (4 vs 2). Key Series's advantage is iOS requirement (9.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Scale Practice holds the better App Store score, 4.6 against 1.4. Both are backed by a comparable volume of ratings — 12 and 12 respectively. Written reviews point the same way: 0% of Key Series's written reviews are positive against 100% of Scale Practice's.

## The numbers

| Metric | Key Series | Scale Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (12 ratings)](https://appshunter.io/ios/app/key-series/id1483023044/reviews) | **[4.6 (12 ratings)](https://appshunter.io/ios/app/scale-practice-randomizer/id1496727056/reviews)** |
| Number of ratings | 12 | 12 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 8 MB | 19 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Aipower](https://appshunter.io/developer/1470737987) | [Alexander Burdiss](https://appshunter.io/developer/1496727055) |

## What reviewers say

### Key Series

[App page](https://appshunter.io/ios/app/key-series/id1483023044)

This application allows users to wirelessly connect and control Key Series brand audio products. It offers features like music control, noise reduction, ambient sound settings, and firmware upgrades for compatible devices.

**Highlights:** Wireless connection, Music control, Noise reduction, Ambient sound settings, Firmware upgrades, Device management

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Key Series free?

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

### Is Scale Practice free?

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

### Which has better reviews, Key Series or Scale Practice?

Scale Practice is rated higher. Key Series averages 1.4 out of 5 from 12 ratings, while Scale Practice averages 4.6 from 12 ratings.

### Do Key Series or Scale Practice have ads?

Neither Key Series nor Scale Practice shows ads.

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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.*