# ScaleCoach Pro vs RPLY

The clearest difference is price: RPLY at Free against ScaleCoach Pro's $3.99. RPLY also leads on update cadence (every 2 days vs every 36 months). ScaleCoach Pro's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

RPLY is free to download; ScaleCoach Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ScaleCoach Pro ships an update every 36 months, RPLY every 2 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ScaleCoach Pro | RPLY |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/scalecoach-pro/id787336207/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 8 MB | 5 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hans Toft-Olsen](https://appshunter.io/developer/637665842) | [Fortunity Labs](https://appshunter.io/developer/1686596733) |

## What reviewers say

### ScaleCoach Pro

[App page](https://appshunter.io/ios/app/scalecoach-pro/id787336207)

This app helps musicians master scales and arpeggios with instant pitch detection. It offers various scale modes, custom scale programming, and a polyphonic piano with adjustable tuning. Users can test their intonation and receive feedback on accuracy.

**Highlights:** Major and Melodic Minor scale modes, Custom scale and melody programming, Polyphonic piano with 7 octaves, Adjustable tuning (415-466 Hz), Built-in metronome, Pitch detection and intonation feedback, S.W.Y.P. (See What You Play) feature

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

**In-app purchases:** none


### RPLY

[App page](https://appshunter.io/ios/app/rply/id6443492021)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ScaleCoach Pro free?

ScaleCoach Pro costs $3.99, with no in-app purchases.

### Is RPLY free?

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

### Do ScaleCoach Pro or RPLY have ads?

Neither ScaleCoach Pro nor RPLY shows ads.

### Which is updated more often, ScaleCoach Pro or RPLY?

ScaleCoach Pro ships an update every 36 months, and RPLY every 2 days. Most recently, ScaleCoach Pro was updated on October 13, 2026 and RPLY on October 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.*