# Sonofield Ear Trainer vs StagePlot & Tech Rider

The clearest difference is update cadence: StagePlot & Tech Rider at every 3 days against Sonofield Ear Trainer's every 9 days. Sonofield Ear Trainer's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sonofield Ear Trainer sells 4 one-off in-app purchases and StagePlot & Tech Rider sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sonofield Ear Trainer ships an update every 9 days, StagePlot & Tech Rider every 3 days. The most recent releases landed on November 14, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Sonofield Ear Trainer | StagePlot & Tech Rider |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (393 ratings)](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139/reviews)** | — |
| Number of ratings | **393** | — |
| Positive reviews | 88.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 3 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) | [Seungmin Hong](https://appshunter.io/developer/6818390367) |

## 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


### StagePlot & Tech Rider

[App page](https://appshunter.io/ios/app/stageplot-and-tech-rider/id6826175186)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 테크라이더 프로 | $1.99 | one-time |


## Frequently asked questions

### Is Sonofield Ear Trainer free?

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

### Is StagePlot & Tech Rider free?

StagePlot & Tech Rider is free to download, with in-app purchases available.

### Do Sonofield Ear Trainer or StagePlot & Tech Rider have ads?

Neither Sonofield Ear Trainer nor StagePlot & Tech Rider shows ads.

### Which is updated more often, Sonofield Ear Trainer or StagePlot & Tech Rider?

Sonofield Ear Trainer ships an update every 9 days, and StagePlot & Tech Rider every 3 days. Most recently, Sonofield Ear Trainer was updated on November 14, 2026 and StagePlot & Tech Rider on November 13, 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.*