# Solo vs StringLife

The clearest difference is price: StringLife at $1.99 against Solo's $17.99. StringLife also leads on in-app purchases (none vs 2) and update cadence (weekly vs monthly). Solo's advantage is chart position (#62 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Solo costs $17.99 and StringLife $1.99 up front. Solo sells 2 one-off in-app purchases. StringLife asks for nothing beyond the download.

Solo ships an update monthly, StringLife weekly. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Solo | StringLife |
| --- | --- | --- |
| Price | $17.99 | **$1.99** |
| Rating | **[4.7 (653 ratings)](https://appshunter.io/ios/app/solo-fretboard-visualization/id1537057699/reviews)** | — |
| Number of ratings | **653** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#62** | — |
| Size | 231 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trio Software Ltd](https://appshunter.io/developer/1537057701) | [Alexander Michaud](https://appshunter.io/developer/1895143209) |

## What reviewers say

### Solo

[App page](https://appshunter.io/ios/app/solo-fretboard-visualization/id1537057699)

**Currently charting:** #62 Top Paid · Music (US App Store)

Master your guitar fretboard with this interactive trainer. Learn note names, intervals, chord changes, and scales through guided exercises. Designed by professional guitarists, it offers customizable workouts for all skill levels.

**Highlights:** Fretboard visualization, Note name trainer, Interval shape memorization, Chord change outlining, Scale practice, Interactive fretboards, Customizable workouts

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Tunings | $1.99 | one-time |
| Custom Chord Progressions | $5.99 | one-time |

**What reviewers like**

- 🚀 Excellent practice tool
- 👍 Helps improve fretboard knowledge
- 👍 Versatile and configurable
- 👍 Detailed video tutorials
- 👍 Accurate note detection

**What reviewers complain about**

- 🐛 Note detection issues
- 🐛 App crashes
- 🐛 Lack of customization options
- 🐛 Unintuitive for beginners
- 🐛 Limited functionality for the price

**Reported bugs**

- Crashes when launching the app
- Inconsistent note detection
- Inability to save progress or settings

**Requested features**

- Add ability to create custom chord progressions
- Integrate metronome functionality
- Provide visual representation of intervals on staff
- Add option to practice natural notes only
- Implement option to hear chord tones in the background


### StringLife

[App page](https://appshunter.io/ios/app/stringlife/id6763059897)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solo free?

Solo costs $17.99, and also offers in-app purchases.

### Is StringLife free?

StringLife costs $1.99, with no in-app purchases.

### Do Solo or StringLife have ads?

Neither Solo nor StringLife shows ads.

### Which is updated more often, Solo or StringLife?

Solo ships an update monthly, and StringLife weekly. Most recently, Solo was updated on October 20, 2026 and StringLife on October 11, 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.*