# ScaleClock vs PreShow

The clearest difference is in-app purchases: PreShow at none against ScaleClock's 4. PreShow also leads on ads (none vs shown). ScaleClock's advantage is update cadence (every 5 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ScaleClock sells 4 in-app purchases, starting at $10.99 per month. PreShow asks for nothing beyond the download.

ScaleClock ships an update every 5 days, PreShow fortnightly. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ScaleClock | PreShow |
| --- | --- | --- |
| 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 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 41 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baile 55 Music LTDA](https://appshunter.io/developer/1464221196) | [Ebert Marques](https://appshunter.io/developer/1404025963) |

## 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

**In-app purchases (4)**

| 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 |
| Plano Anual | $11.99 | one-time |


### PreShow

[App page](https://appshunter.io/ios/app/preshow/id6761081284)

**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 PreShow free?

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

### Do ScaleClock or PreShow have ads?

ScaleClock shows ads; PreShow does not.

### Which is updated more often, ScaleClock or PreShow?

ScaleClock ships an update every 5 days, and PreShow fortnightly. Most recently, ScaleClock was updated on September 29, 2026 and PreShow on October 12, 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.*