# ScaleClock vs CatoliChord

The clearest difference is in-app purchases: CatoliChord at none against ScaleClock's 4. CatoliChord also leads on ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

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

ScaleClock ships an update every 8 days, CatoliChord weekly. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ScaleClock | CatoliChord |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 63 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Baile 55 Music LTDA](https://appshunter.io/developer/1464221196) | [Sergio Luis da Silva Junior](https://appshunter.io/developer/1825495225) |

## 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 (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 |


### CatoliChord

[App page](https://appshunter.io/ios/app/catolichord/id6748366678)

Organize liturgical music, create setlists, and access daily readings. This app provides clear chord charts with transposition and font adjustments, usable offline for seamless musical preparation.

**Highlights:** Organize liturgical music, Create and edit setlists, Clear chord charts with transposition, Daily liturgy integration, Offline functionality, Font and column adjustment

**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 CatoliChord free?

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

### Do ScaleClock or CatoliChord have ads?

ScaleClock shows ads; CatoliChord does not.

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

ScaleClock ships an update every 8 days, and CatoliChord weekly. Most recently, ScaleClock was updated on October 15, 2026 and CatoliChord on September 24, 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.*