# KeyScroll vs Rock Arena

The clearest difference is price: KeyScroll at Free against Rock Arena's $0.99. KeyScroll also leads on in-app purchases (none vs 3) and iOS requirement (16.4 vs 26.1). On ads and device support there is nothing between them.

KeyScroll is free to download; Rock Arena costs $0.99 up front. Rock Arena sells 3 one-off in-app purchases. KeyScroll asks for nothing beyond the download.

## The numbers

| Metric | KeyScroll | Rock Arena |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keyscroll/id6448870192/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 1 MB | 41 MB |
| Requires iOS | **16.4** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Eldar Sadykov](https://appshunter.io/developer/1686735382) | [Pieter Hartzenberg](https://appshunter.io/developer/495577297) |

## What reviewers say

### KeyScroll

[App page](https://appshunter.io/ios/app/keyscroll/id6448870192)

This app helps musicians intuitively explore and memorize musical modes. Users can adjust notes to visualize key signatures, with clear indicators for major and minor tonics. It also displays modes and their corresponding triads.

**Highlights:** Visualize key signatures, Major and minor tonic indicators, List of modes, Triads with tonal differences, Intuitive note adjustment

**In-app purchases:** none


### Rock Arena

[App page](https://appshunter.io/ios/app/rock-arena/id6758211873)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purple Icon | $0.99 | one-time |
| Blue Icon | $0.99 | one-time |
| Green Icon | $0.99 | one-time |


## Frequently asked questions

### Is KeyScroll free?

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

### Is Rock Arena free?

Rock Arena costs $0.99, and also offers in-app purchases.

### Do KeyScroll or Rock Arena have ads?

Neither KeyScroll nor Rock Arena 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.*