# Solo Scale Controller vs Solo

The clearest difference is price: Solo at Free against Solo Scale Controller's $44.99. Solo also leads on update cadence (every 4 days vs every 9 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Solo is free to download; Solo Scale Controller costs $44.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solo Scale Controller ships an update every 9 days, Solo every 4 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Solo Scale Controller | Solo |
| --- | --- | --- |
| Price | $44.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/solo/id6736898140/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 56 MB | 23 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [9390-0801 Quebec inc](https://appshunter.io/developer/1517759983) | [Ayman Knany](https://appshunter.io/developer/887168170) |

## What reviewers say

### Solo Scale Controller

[App page](https://appshunter.io/ios/app/solo-scale-controller/id1595253730)

This professional-grade app provides real-time control over keyboard scale and tuning for musicians. It offers seamless adjustments to musical parameters, enabling new creative possibilities for live performances and studio sessions.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Solo

[App page](https://appshunter.io/ios/app/solo/id6736898140)

Learn to play musical instruments with interactive lessons and tools. This platform caters to beginners and experienced musicians alike, offering resources to enhance your musical skills.

**Highlights:** Interactive music lessons, Instrument learning tools, Skill development for all levels, Beginner-friendly content, Professional musician resources

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

**In-app purchases:** none


## Frequently asked questions

### Is Solo Scale Controller free?

Solo Scale Controller costs $44.99, with no in-app purchases.

### Is Solo free?

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

### Do Solo Scale Controller or Solo have ads?

Neither Solo Scale Controller nor Solo shows ads.

### Which is updated more often, Solo Scale Controller or Solo?

Solo Scale Controller ships an update every 9 days, and Solo every 4 days. Most recently, Solo Scale Controller was updated on October 14, 2026 and Solo on October 13, 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.*