# ScaleClock vs VS Hook

The clearest difference is in-app purchases: VS Hook at none against ScaleClock's 3. VS Hook also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ScaleClock sells 3 in-app purchases, starting at $10.99 per month. VS Hook asks for nothing beyond the download.

ScaleClock ships an update every 8 days, VS Hook every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ScaleClock | VS Hook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scaleclock/id1464221197/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 4 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baile 55 Music LTDA](https://appshunter.io/developer/1464221196) | [joabe araujo](https://appshunter.io/developer/6780280671) |

## What reviewers say

### ScaleClock

[App page](https://appshunter.io/ios/app/scaleclock/id1464221197)

Learn and practice musical scales with a comprehensive library and customizable options. Control playback speed, direction, and octaves. Create and save your own unique scales for personalized study.

**Highlights:** Extensive scale library, Custom scale creation, Adjustable playback speed, Scale direction control, Two-octave playback, Transposition tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScaleClock PRO Monthly Plan | $10.99 | per month |
| ScaleClock PRO Annual Plan | $89.99 | per year |
| Plano Mensal | $1.99 | one-time |


### VS Hook

[App page](https://appshunter.io/ios/app/vs-hook/id6780280669)

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

**In-app purchases:** none


## Frequently asked questions

### Is ScaleClock free?

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

### Is VS Hook free?

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

### Do ScaleClock or VS Hook have ads?

ScaleClock shows ads; VS Hook does not.

### Which is updated more often, ScaleClock or VS Hook?

ScaleClock ships an update every 8 days, and VS Hook every 3 days. Most recently, ScaleClock was updated on November 3, 2026 and VS Hook on November 5, 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.*