# Sonofield Ear Trainer vs ArcoPraxis

The clearest difference is price: Sonofield Ear Trainer at Free against ArcoPraxis's $9.99. Sonofield Ear Trainer also leads on iOS requirement (13.0 vs 17.0). ArcoPraxis's advantage is in-app purchases (none vs 5). On update cadence, ads and device support there is nothing between them.

Sonofield Ear Trainer is free to download; ArcoPraxis costs $9.99 up front. Sonofield Ear Trainer sells 4 one-off in-app purchases. ArcoPraxis asks for nothing beyond the download.

Sonofield Ear Trainer ships an update every 9 days, ArcoPraxis fortnightly. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sonofield Ear Trainer | ArcoPraxis |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| 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** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) | [Aaron Celestian](https://appshunter.io/developer/1844958071) |

## 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


### ArcoPraxis

[App page](https://appshunter.io/ios/app/arcopraxis/id6790646779)

**Features:** macOS Compatibility

**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 ArcoPraxis free?

ArcoPraxis costs $9.99, with no in-app purchases.

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

Neither Sonofield Ear Trainer nor ArcoPraxis shows ads.

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

Sonofield Ear Trainer ships an update every 9 days, and ArcoPraxis fortnightly. Most recently, Sonofield Ear Trainer was updated on October 20, 2026 and ArcoPraxis on October 3, 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.*