---
title: "Solo - Fretboard Visualization — App Overview"
url: https://marlvel.ai/apps/com-solotrainerapp-solo
category: Music
developer: Trio Software Ltd
platforms: ios
rating: 4.8 (591 ratings)
pricing: paid
report_level: overview
generated: 2026-04-18
last_verified: "2026-04-18T12:04:40.649Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Solo is a specialized, instrument-connected practice app that prioritizes active fretboard visualization over passive learning.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.8 ★ (591) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.4.0 |
| Developer | Trio Software Ltd |

<!-- SECTION: Summary -->
## What is Solo - Fretboard Visualization?

Solo is a guitar practice tool designed by Tom Quayle and David Beebee that focuses on fretboard visualization through active, instrument-connected training. The app utilizes audio recognition to ensure users correctly identify notes and intervals before progressing, aiming to improve technical proficiency and musical understanding.

<!-- SECTION: Key Features -->
## Key Features

- **Note Trainer**: Helps players memorize note names on the fretboard through guided exercises.
- **Interval Shape Training**: Teaches users to recognize and visualize intervallic relationships across the neck.
- **Chord and Scale Practice**: Guides users through outlining chord changes and breaking out of scale boxes using intervallic functions.
- **Audio Recognition**: Listens to the notes played on the user's guitar to verify accuracy before moving to the next task.

<!-- SECTION: Target Audience -->
## Who is it for?

Guitarists ranging from beginners learning note names to intermediate players looking to master interval shapes and chord changes.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/solo-fretboard-visualization/id1537057699?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/com-solotrainerapp-solo)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-solotrainerapp-solo).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*