# ScaleMaster Pro vs StrumTune

The clearest difference is price: StrumTune at Free against ScaleMaster Pro's $4.99. StrumTune also leads on iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

StrumTune is free to download; ScaleMaster Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ScaleMaster Pro | StrumTune |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 26 MB | 2 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [RoGame Software](https://appshunter.io/developer/285831223) | [Cafo Kajmer](https://appshunter.io/developer/1878743006) |

## What reviewers say

### ScaleMaster Pro

[App page](https://appshunter.io/ios/app/scalemaster-pro/id1163225590)

Learn musical scales on your instrument with visual aids and adjustable tempo. Explore different scales, save your practice sessions, and discover new sounds for improvisation. Adapts to various instruments and tunings.

**Highlights:** Learn scales in notation and on instrument, Adjustable tempo for practice, Save custom scale documents, Support for piano, guitar, bass, and more, Custom tunings, All common clefs for reading practice, Scale transposition

**Features:** Vision Pro support

**In-app purchases:** none


### StrumTune

[App page](https://appshunter.io/ios/app/strumtune/id6802655431)

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

**In-app purchases:** none


## Frequently asked questions

### Is ScaleMaster Pro free?

ScaleMaster Pro costs $4.99, with no in-app purchases.

### Is StrumTune free?

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

### Do ScaleMaster Pro or StrumTune have ads?

Neither ScaleMaster Pro nor StrumTune shows ads.

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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.*