# Complete Ear Trainer vs String Theory

The clearest difference is price: Complete Ear Trainer at Free against String Theory's $1.99. Complete Ear Trainer also leads on ratings volume (199 vs 1) and iOS requirement (17.5 vs 26.0). String Theory's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.7). On ads and device support there is nothing between them.

Complete Ear Trainer is free to download; String Theory costs $1.99 up front. Complete Ear Trainer sells 3 in-app purchases, starting at $0.99 per month. String Theory asks for nothing beyond the download.

String Theory holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Complete Ear Trainer has 199 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Complete Ear Trainer's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | Complete Ear Trainer | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.7 (199 ratings)](https://appshunter.io/ios/app/complete-ear-trainer/id1012455471/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **199** | 1 |
| Positive reviews | 85.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 78 MB | 10 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Binary Guilt](https://appshunter.io/developer/1012455470) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## 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 |


### String Theory

[App page](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019)

This app helps guitarists explore scales and chords with an interactive fretboard. It allows users to compare scales, test custom tunings, and record riff ideas. The tool is designed for practicing improvisation, learning theory, and saving musical inspiration.

**Highlights:** Interactive guitar fretboard with scale mapping, Scale and Chord Finder tools, Custom tunings with octave control, Riff recording and vault organization, Left-handed mode, Scale comparison overlay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Complete Ear Trainer free?

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

### Is String Theory free?

String Theory costs $1.99, with no in-app purchases.

### Which has better reviews, Complete Ear Trainer or String Theory?

String Theory is rated higher. Complete Ear Trainer averages 4.7 out of 5 from 199 ratings, while String Theory averages 5.0 from 1 ratings.

### Do Complete Ear Trainer or String Theory have ads?

Neither Complete Ear Trainer nor String Theory shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*