# KeyScroll vs Key Lens

The clearest difference is in-app purchases: KeyScroll at none against Key Lens's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Key Lens sells 1 one-off in-app purchase. KeyScroll asks for nothing beyond the download.

## The numbers

| Metric | KeyScroll | Key Lens |
| --- | --- | --- |
| Price | Free | Free |
| 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 6 weeks |
| Monetization | Free | — |
| Size | 1 MB | 58 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Eldar Sadykov](https://appshunter.io/developer/1686735382) | [Alex Amayo](https://appshunter.io/developer/1835625743) |

## 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


### Key Lens

[App page](https://appshunter.io/ios/app/key-lens/id6761850903)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midi Output | $9.99 | one-time |


## Frequently asked questions

### Is KeyScroll free?

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

### Is Key Lens free?

Key Lens is free to download, with in-app purchases available.

### Do KeyScroll or Key Lens have ads?

Neither KeyScroll nor Key Lens 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.*