# Sonofield Ear Trainer vs Harmony Cloud Pro

The clearest difference is ratings volume: Sonofield Ear Trainer at 376 against Harmony Cloud Pro's 65. Sonofield Ear Trainer also leads on iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Sonofield Ear Trainer sells 4 one-off in-app purchases and Harmony Cloud Pro sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Sonofield Ear Trainer against 5.0 for Harmony Cloud Pro. That said, the two scores are not equally well evidenced: Sonofield Ear Trainer has 376 ratings behind it against 65, so its average is the more settled of the two. Written reviews are what separate them: 89% of Sonofield Ear Trainer's written reviews are positive against 87% of Harmony Cloud Pro's.

Sonofield Ear Trainer ships an update every 9 days, Harmony Cloud Pro weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sonofield Ear Trainer | Harmony Cloud Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (376 ratings)](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139/reviews) | **[5.0 (65 ratings)](https://appshunter.io/ios/app/harmony-cloud-pro/id6748590924/reviews)** |
| Number of ratings | **376** | 65 |
| Positive reviews | **88.7% of reviews** | 86.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 194 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) | [The Melodic Progression Institute LLC](https://appshunter.io/developer/1054588451) |

## What reviewers say

### 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


### Harmony Cloud Pro

[App page](https://appshunter.io/ios/app/harmony-cloud-pro/id6748590924)

This app helps musicians of all levels develop their ear for harmony and improvisation. It generates endless, unpredictable chord progressions based on user-selected chords, allowing for personalized learning and exploration of musical concepts.

**Highlights:** Ear training for musicians, Improvisation exploration, Generates unpredictable chord progressions, Customizable tempo, volume, and key, Tailorable to all skill levels, Patented harmonic algorithm

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $59.99 | per year |


## Frequently asked questions

### Is Sonofield Ear Trainer free?

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

### Is Harmony Cloud Pro free?

Harmony Cloud Pro is free to download, with in-app purchases available.

### Which has better reviews, Sonofield Ear Trainer or Harmony Cloud Pro?

Harmony Cloud Pro is rated higher. Sonofield Ear Trainer averages 4.9 out of 5 from 376 ratings, while Harmony Cloud Pro averages 5.0 from 65 ratings.

### Do Sonofield Ear Trainer or Harmony Cloud Pro have ads?

Neither Sonofield Ear Trainer nor Harmony Cloud Pro shows ads.

### Which is updated more often, Sonofield Ear Trainer or Harmony Cloud Pro?

Sonofield Ear Trainer ships an update every 9 days, and Harmony Cloud Pro weekly. Most recently, Sonofield Ear Trainer was updated on September 24, 2026 and Harmony Cloud Pro on September 23, 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.*