# ScaleMate vs Piano Sheet

The clearest difference is price: Piano Sheet at Free against ScaleMate's $3.99. ScaleMate's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Piano Sheet is free to download; ScaleMate costs $3.99 up front. Piano Sheet sells 1 in-app purchase, starting at $6.99 per 7 days. ScaleMate asks for nothing beyond the download.

ScaleMate ships an update fortnightly, Piano Sheet every 3 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ScaleMate | Piano Sheet |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/scalemate-visualize-harmony/id1538285671/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 36 MB | 47 MB |
| Requires iOS | 17.5 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anton Schwartz](https://appshunter.io/developer/1330331588) | [凡 刘](https://appshunter.io/developer/1724679034) |

## What reviewers say

### ScaleMate

[App page](https://appshunter.io/ios/app/scalemate-visualize-harmony/id1538285671)

This app provides an interactive reference for understanding music scales and jazz harmony. It allows users to hear, visualize, and manipulate scales to deepen their comprehension of musical concepts. Features include expert write-ups, practical usage tips, and animated transformations between scales.

**Highlights:** Hear scales as melodies, Visualize scales on circle of fifths, Expert scale write-ups, Manipulate scales and hear changes, Full library of scales, Automatic scale recognition, Animated scale transformations

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

**In-app purchases:** none


### Piano Sheet

[App page](https://appshunter.io/ios/app/piano-sheet/id6796623287)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week | $6.99 | per 7 days |


## Frequently asked questions

### Is ScaleMate free?

ScaleMate costs $3.99, with no in-app purchases.

### Is Piano Sheet free?

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

### Do ScaleMate or Piano Sheet have ads?

Neither ScaleMate nor Piano Sheet shows ads.

### Which is updated more often, ScaleMate or Piano Sheet?

ScaleMate ships an update fortnightly, and Piano Sheet every 3 weeks. Most recently, ScaleMate was updated on October 24, 2026 and Piano Sheet on October 17, 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.*