# Solo Scale Controller — Scale tuning for keyboards

> Real-time scale tuning and control for compatible Korg keyboards. (iPhone/iPad app by 9390-0801 Quebec inc.)

- Source: https://appshunter.io/ios/app/solo-scale-controller/id1595253730 (this page in markdown: same URL + `.md`)
- Developer: [9390-0801 Quebec inc](https://appshunter.io/developer/1517759983)
- Category: Music, Productivity, Music
- Price: $44.99 (on sale, was $69.99)
- Age rating: 4+
- Requires: iOS 14.0 · 56 MB
- Languages: English
- Released: 2021-11-15
- Data updated: 2026-07-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/solo-scale-controller/id1595253730/reviews.md

## What is Solo Scale Controller?

Scale Controller is a professional-grade mobile application designed specifically to control the scale and tuning of your keyboard in real-time. Tailored for musicians, this app offers seamless control over various musical parameters, helping you unlock new creative possibilities.

Compatible Keyboards:
- Korg Triton Extreme
- Korg Triton Classic
- Korg Triton Studio
- Korg Trinity
- Korg Trinity V3
- Korg Kronos 1 & 2
- Korg M3
- Korg Krome
- Korg Nautilus

Supported Features:
- Real-time Scale Tuning
- Transpose
- Pitch Bend
- Preset Management
- Bank Select
- Connection Options:

OTG Cable for direct connection
BLE Yamaha for wireless Bluetooth connectivity
With Scale Controller, you can effortlessly adjust your keyboard settings on the go, making it the perfect tool for live performances or studio sessions. Explore new tunings, experiment with presets, and achieve perfect harmony with ease.

## Key features

- Real-time scale tuning
- Transpose functionality
- Pitch bend control
- Preset management
- Bank select
- OTG and BLE connectivity

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/solo-scale-controller/id1595253730/reviews.md

### 1/5 — This app reset transpose each microtuning click

*2022-06-18*

This app reset transpose each microtuning click

## Frequently asked questions about Solo Scale Controller

### What is Solo Scale Controller used for?

Solo Scale Controller is a professional-grade mobile application designed to control the scale and tuning of compatible Korg keyboards in real-time. It helps musicians unlock new creative possibilities by offering seamless control over various musical parameters.

### Which keyboards are compatible with Solo Scale Controller?

Solo Scale Controller is compatible with a range of Korg keyboards including Triton Extreme, Triton Classic, Triton Studio, Trinity, Trinity V3, Kronos 1 & 2, M3, Krome, and Nautilus.

### How does Solo Scale Controller connect to keyboards?

The app supports two connection options: an OTG cable for direct connection and BLE Yamaha for wireless Bluetooth connectivity, offering flexibility for different setups.

### What musical parameters can be controlled with Solo Scale Controller?

Users can control real-time scale tuning, transpose, pitch bend, manage presets, and utilize bank select functions directly from their mobile device.

### Is Solo Scale Controller available for free?

No, Solo Scale Controller is a paid application. It is priced at $44.99 and does not feature in-app purchases or advertisements, providing an uninterrupted experience.

### How often is Solo Scale Controller updated?

The app was last updated on November 11, 2024, with version 7.9.26. This indicates a commitment to ongoing development and support for the application.

### What devices can run Solo Scale Controller?

Solo Scale Controller is available for iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.

### Does Solo Scale Controller have ads?

No, Solo Scale Controller is ad-free. This allows musicians to focus on their creative process without any interruptions during live performances or studio sessions.

## Version history (last 5 releases)

### Version 7.9.26 — 2024-11-11

Preset Issue Fix: This update resolves problems related to preset management, ensuring that users can now save, load, and switch between presets without encountering errors.

Reset Button Fix: The functionality of the reset button has been improved, allowing users to reset settings or parameters as intended.

### Version 7.9.22 — 2024-10-29

Bug Fixes and Performance Improvements: We've resolved known issues and optimized performance for a smoother user experience.

### Version 7.9.21 — 2024-10-20

Fixed issues related to Banks and Sounds for smoother performance and improved user experience.

### Version 7.9.20 — 2024-10-17

Preset Save Fix: Resolved issues with saving and loading presets, ensuring that your configurations are stored correctly.

### Version 7.9.17 — 2024-10-16

Fixed a minor issue to improve app stability.
General performance improvements.

## Apps similar to Solo Scale Controller

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MIDI-Controller](https://appshunter.io/ios/app/midi-controller/id1496544632) | 4.1 (29) | $3.99 | Music |
| [Velocity Keyboard](https://appshunter.io/ios/app/velocity-keyboard/id1462605052) | 4.8 (97) | $9.99 | Music |

## More apps by 9390-0801 Quebec inc

- [KSacle Controller Pro](https://appshunter.io/ios/app/ksacle-controller-pro/id1517759984)
- [Smart Scale Controller Pro](https://appshunter.io/ios/app/smart-scale-controller-pro/id1519381658)
- [Korg Pa Scale Controller](https://appshunter.io/ios/app/korg-pa-scale-controller/id1519536075)
- [Quebec Driving Practice Test](https://appshunter.io/ios/app/quebec-driving-practice-test/id1527816687)
- [Examen Théorique SAAQ](https://appshunter.io/ios/app/examen-theorique-saaq/id1527897401)
- [PitchBend Pro](https://appshunter.io/ios/app/pitchbend-pro/id1539228332)

All apps by 9390-0801 Quebec inc: https://appshunter.io/developer/1517759983

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-03.*