# ScaleClock vs Instrument Scales

The clearest difference is ads: Instrument Scales at none against ScaleClock's shown. Instrument Scales also leads on ratings volume (29 vs 1) and device support (5 vs 3). ScaleClock's advantage is rating (5.0 vs 4.7) and update cadence (every 8 days vs monthly). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. ScaleClock sells 4 in-app purchases, starting at $10.99 per month and Instrument Scales sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ScaleClock holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Instrument Scales has 29 ratings behind it against 1, so its average is the more settled of the two.

ScaleClock ships an update every 8 days, Instrument Scales monthly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ScaleClock | Instrument Scales |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scaleclock/id1464221197/reviews)** | [4.7 (29 ratings)](https://appshunter.io/ios/app/instrument-scales/id1500152877/reviews) |
| Number of ratings | 1 | **29** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 45 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Baile 55 Music LTDA](https://appshunter.io/developer/1464221196) | [Thiago Anderson Martins](https://appshunter.io/developer/1287000521) |

## 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 |


### Instrument Scales

[App page](https://appshunter.io/ios/app/instrument-scales/id1500152877)

Master your instrument with interactive courses, AI-powered guidance, and a comprehensive music toolkit. Learn chords, scales, and theory for guitar, bass, and piano with a precision tuner and custom tuning options.

**Highlights:** Interactive Courses, AI-powered guidance, Precision Tuner, 100+ Scale Library, Custom Tunings, iCloud Sync

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instrument Scales Max | $0.99 | per month |
| Instrument Scales Max | $3.99 | per year |
| Instrument Scales Pro | $0.99 | one-time |


## Frequently asked questions

### Is ScaleClock free?

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

### Is Instrument Scales free?

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

### Which has better reviews, ScaleClock or Instrument Scales?

ScaleClock is rated higher. ScaleClock averages 5.0 out of 5 from 1 ratings, while Instrument Scales averages 4.7 from 29 ratings.

### Do ScaleClock or Instrument Scales have ads?

ScaleClock shows ads; Instrument Scales does not.

### Which is updated more often, ScaleClock or Instrument Scales?

ScaleClock ships an update every 8 days, and Instrument Scales monthly. Most recently, ScaleClock was updated on October 15, 2026 and Instrument Scales on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*