# ScaleMaster Pro vs BlueScalesTrainer

The clearest difference is update cadence: ScaleMaster Pro at every 2 months against BlueScalesTrainer's every 5 months. BlueScalesTrainer's advantage is price ($2.99 vs $4.99) and review sentiment (50% vs 42%). On ads, in-app purchases, monetization model and device support there is nothing between them.

ScaleMaster Pro costs $4.99 and BlueScalesTrainer $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ScaleMaster Pro ships an update every 2 months, BlueScalesTrainer every 5 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | ScaleMaster Pro | BlueScalesTrainer |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bluescalestrainer/id1455877520/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 41.7% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 167 MB | 39 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [RoGame Software](https://appshunter.io/developer/285831223) | [Stefan Arnhold](https://appshunter.io/developer/432185706) |

## 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, iPhone Duo support

**In-app purchases:** none


### BlueScalesTrainer

[App page](https://appshunter.io/ios/app/bluescalestrainer/id1455877520)

Learn guitar scales with your own songs. Analyze music to find keys and display matching scales. Practice with visual fretboard views, adjustable speed, and effects. Supports foot pedal control and integrates with your iTunes library.

**Highlights:** Song key analysis, Visual scale patterns, Fretboard note display, Adjustable playback speed and pitch, Built-in audio effects, Foot pedal control support, Playlist management

**In-app purchases:** none


## Frequently asked questions

### Is ScaleMaster Pro free?

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

### Is BlueScalesTrainer free?

BlueScalesTrainer costs $2.99, with no in-app purchases.

### Do ScaleMaster Pro or BlueScalesTrainer have ads?

Neither ScaleMaster Pro nor BlueScalesTrainer shows ads.

### Which is updated more often, ScaleMaster Pro or BlueScalesTrainer?

ScaleMaster Pro ships an update every 2 months, and BlueScalesTrainer every 5 months. Most recently, ScaleMaster Pro was updated on November 2, 2026 and BlueScalesTrainer on November 2, 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.*