# Chet vs Sonofield Ear Trainer

The clearest difference is in-app purchases: Chet at none against Sonofield Ear Trainer's 5. Chet also leads on ratings volume (2.4K vs 376). Sonofield Ear Trainer's advantage is update cadence (every 9 days vs every 5 weeks) and iOS requirement (13.0 vs 18.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sonofield Ear Trainer sells 4 one-off in-app purchases. Chet asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Chet against 4.9 for Sonofield Ear Trainer. That said, the two scores are not equally well evidenced: Chet has 2.4K ratings behind it against 376, so its average is the more settled of the two. Written reviews are what separate them: 96% of Chet's written reviews are positive against 89% of Sonofield Ear Trainer's.

Chet ships an update every 5 weeks, Sonofield Ear Trainer every 9 days. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chet | Sonofield Ear Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/chet-ear-training/id1405525467/reviews) | **[4.9 (376 ratings)](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139/reviews)** |
| Number of ratings | **2.4K** | 376 |
| Positive reviews | **95.9% of reviews** | 88.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 112 MB | 105 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ensemble Education](https://appshunter.io/developer/1746859300) | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) |

## What reviewers say

### Chet

[App page](https://appshunter.io/ios/app/chet-ear-training/id1405525467)

Develop your musical ear and master music theory with interactive games and exercises. Learn at your own pace, identify music concepts, and practice with virtual instruments. Track your progress and compete globally to become a more confident and versatile musician.

**Highlights:** Identify music theory concepts, Call and response exercises, Virtual piano, guitar, bass, Guided learning paths, Intervals, scales, chords exercises, Global leaderboards, Spaced repetition practice

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Helpful and fun
- 🚀 Excellent ear training tool
- 👍 Intuitive and well-designed
- 🚀 Comprehensive and effective

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔋 Compatibility issues with older devices
- 🐛 Inaccurate labeling of intervals
- 🔋 Timed exercises not suitable for all

**Reported bugs**

- App not loading or freezing
- Incorrect labeling of intervals
- Timed exercises not functioning properly

**Requested features**

- Add Chinese language support
- Incorporate guitar-specific exercises
- Introduce a hands-free mode
- Reinstate the previous practice mode
- Expand the range of musical genres and styles


### Sonofield Ear Trainer

[App page](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139)

This app helps musicians develop their ear by focusing on the feeling of individual notes within a key, rather than traditional interval training. It uses sustained drones and offers various modes like identifying scale degrees, melodies, and singing exercises. The app adapts to your skill level with an intuitive interface and progression path.

**Highlights:** Feeling-based note recognition, Scale degree identification, Melody recognition training, Singing exercises, Hands-free training mode, Interactive exploration instrument

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $14.99 | one-time |
| Lifetime Pro | $17.99 | one-time |
| Lifetime Pro | $19.99 | one-time |
| Lifetime Pro | $24.99 | one-time |

**What reviewers like**

- 🚀 Excellent ear training tool
- 👍 Intuitive and user-friendly design
- 🎶 Effective for improving relative pitch
- 💡 Innovative use of drone and scale degrees
- 🎯 Helpful for aural skills development

**What reviewers complain about**

- 🤔 Challenging for true beginners
- 💭 Desire for more customization options

**Reported bugs**

- None reported

**Requested features**

- Option to switch between 12TET and just intonation
- Ability to reduce octave range
- Incorporate more timbre options for drone and notes
- Tracking and visualization of progress and learned skills
- Add interactive tutorial for level 1


## Frequently asked questions

### Is Chet free?

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

### Is Sonofield Ear Trainer free?

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

### Which has better reviews, Chet or Sonofield Ear Trainer?

Sonofield Ear Trainer is rated higher. Chet averages 4.8 out of 5 from 2.4K ratings, while Sonofield Ear Trainer averages 4.9 from 376 ratings.

### Do Chet or Sonofield Ear Trainer have ads?

Neither Chet nor Sonofield Ear Trainer shows ads.

### Which is updated more often, Chet or Sonofield Ear Trainer?

Chet ships an update every 5 weeks, and Sonofield Ear Trainer every 9 days. Most recently, Chet was updated on September 23, 2026 and Sonofield Ear Trainer on September 24, 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.*