# Sing Scales vs Sonofield Ear Trainer

The clearest difference is price: Sonofield Ear Trainer at Free against Sing Scales's $5.99. Sonofield Ear Trainer also leads on update cadence (every 9 days vs every 9 months) and ratings volume (376 vs 1). Sing Scales's advantage is in-app purchases (none vs 5) and review sentiment (100% vs 89%). On rating and ads there is nothing between them.

Sonofield Ear Trainer is free to download; Sing Scales costs $5.99 up front. Sonofield Ear Trainer sells 4 one-off in-app purchases. Sing Scales asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sing Scales against 4.9 for Sonofield Ear Trainer. That said, the two scores are not equally well evidenced: Sonofield Ear Trainer has 376 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Sing Scales's written reviews are positive against 89% of Sonofield Ear Trainer's.

Sing Scales ships an update every 9 months, Sonofield Ear Trainer every 9 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sing Scales | Sonofield Ear Trainer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sing-scales/id6455374649/reviews)** | [4.9 (376 ratings)](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139/reviews) |
| Number of ratings | 1 | **376** |
| Positive reviews | **100.0% of reviews** | 88.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 105 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SEQFX PTY LTD](https://appshunter.io/developer/1092841331) | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) |

## What reviewers say

### Sing Scales

[App page](https://appshunter.io/ios/app/sing-scales/id6455374649)

Practice singing musical scales with a comprehensive library and interactive piano. Designed for beginners, it helps develop vocal control, ear training, and confidence. Master pitch and vocal flexibility through experimentation.

**Highlights:** Extensive scale library (100+ scales), Configurable tempo and stepping patterns, Interactive piano keyboard, Designed for non-musicians, Solfège syllable practice, Ear training development

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

**In-app purchases:** none


### 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 Sing Scales free?

Sing Scales costs $5.99, 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, Sing Scales or Sonofield Ear Trainer?

Sing Scales is rated higher. Sing Scales averages 5.0 out of 5 from 1 ratings, while Sonofield Ear Trainer averages 4.9 from 376 ratings.

### Do Sing Scales or Sonofield Ear Trainer have ads?

Neither Sing Scales nor Sonofield Ear Trainer shows ads.

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

Sing Scales ships an update every 9 months, and Sonofield Ear Trainer every 9 days. Most recently, Sing Scales was updated on September 18, 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.*