# Complete Ear Trainer vs Solo

The clearest difference is price: Complete Ear Trainer at Free against Solo's $17.99. Complete Ear Trainer also leads on update cadence (fortnightly vs monthly). Solo's advantage is chart position (#83 vs unranked) and ratings volume (655 vs 200). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Complete Ear Trainer is free to download; Solo costs $17.99 up front. Complete Ear Trainer sells 3 in-app purchases, starting at $0.99 per month and Solo sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Complete Ear Trainer against 4.7 for Solo. Both are backed by a comparable volume of ratings — 200 and 655 respectively. Written reviews are what separate them: 85% of Complete Ear Trainer's written reviews are positive against 83% of Solo's.

Complete Ear Trainer ships an update fortnightly, Solo monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Complete Ear Trainer | Solo |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| Rating | [4.7 (200 ratings)](https://appshunter.io/ios/app/complete-ear-trainer/id1012455471/reviews) | **[4.7 (655 ratings)](https://appshunter.io/ios/app/solo-fretboard-visualization/id1537057699/reviews)** |
| Number of ratings | 200 | **655** |
| Positive reviews | **85.1% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#83** |
| Size | 78 MB | 231 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Binary Guilt](https://appshunter.io/developer/1012455470) | [Trio Software Ltd](https://appshunter.io/developer/1537057701) |

## What reviewers say

### Complete Ear Trainer

[App page](https://appshunter.io/ios/app/complete-ear-trainer/id1012455471)

Develop your musical ear and music theory knowledge with this comprehensive training app. It offers progressive drills, various sound options, and a gamified learning experience to improve improvisation, composition, and performance skills.

**Highlights:** 150+ progressive drills, 11 drill types, 24 intervals, 36 chord types, Melodic dictations and chord progressions, Gamified learning with star system, Custom drill and program creation, Cloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Sync and Web access | $0.99 | per month |
| Cloud Sync and Web access | $9.99 | per year |
| Full Version | $6.99 | one-time |


### Solo

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

**Currently charting:** #83 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


## Frequently asked questions

### Is Complete Ear Trainer free?

Complete Ear Trainer is free to download, with in-app purchases available.

### Is Solo free?

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

### Which has better reviews, Complete Ear Trainer or Solo?

Solo is rated higher. Complete Ear Trainer averages 4.7 out of 5 from 200 ratings, while Solo averages 4.7 from 655 ratings.

### Do Complete Ear Trainer or Solo have ads?

Neither Complete Ear Trainer nor Solo shows ads.

### Which is updated more often, Complete Ear Trainer or Solo?

Complete Ear Trainer ships an update fortnightly, and Solo monthly. Most recently, Complete Ear Trainer was updated on October 24, 2026 and Solo on October 25, 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.*