# Sonofield Ear Trainer vs AB Looper

The clearest difference is in-app purchases: AB Looper at none against Sonofield Ear Trainer's 5. Sonofield Ear Trainer's advantage is update cadence (every 9 days vs every 4 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Sonofield Ear Trainer ships an update every 9 days, AB Looper every 4 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Sonofield Ear Trainer | AB Looper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (376 ratings)](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139/reviews)** | — |
| Number of ratings | **376** | — |
| Positive reviews | 88.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) | [Arthur Silva](https://appshunter.io/developer/1798293810) |

## 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


### AB Looper

[App page](https://appshunter.io/ios/app/ab-looper/id6742419880)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonofield Ear Trainer free?

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

### Is AB Looper free?

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

### Do Sonofield Ear Trainer or AB Looper have ads?

Neither Sonofield Ear Trainer nor AB Looper shows ads.

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

Sonofield Ear Trainer ships an update every 9 days, and AB Looper every 4 weeks. Most recently, Sonofield Ear Trainer was updated on September 24, 2026 and AB Looper on September 10, 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.*