# Recorder Duet vs Master Ear Trainer

The clearest difference is price: Master Ear Trainer at Free against Recorder Duet's $0.99. Master Ear Trainer also leads on update cadence (every 2 months vs every 20 months) and iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Master Ear Trainer is free to download; Recorder Duet costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Recorder Duet ships an update every 20 months, Master Ear Trainer every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Recorder Duet | Master Ear Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Size | 94 MB | 23 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [masafumi sasaki](https://appshunter.io/developer/1016775706) | [David Mann Music LLC](https://appshunter.io/developer/1346382452) |

## What reviewers say

### Recorder Duet

[App page](https://appshunter.io/ios/app/recorder-duet/id1267676682)

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

**In-app purchases:** none


### Master Ear Trainer

[App page](https://appshunter.io/ios/app/master-ear-trainer/id1335232143)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Recorder Duet free?

Recorder Duet costs $0.99, with no in-app purchases.

### Is Master Ear Trainer free?

Master Ear Trainer is free to download, with no in-app purchases.

### Do Recorder Duet or Master Ear Trainer have ads?

Neither Recorder Duet nor Master Ear Trainer shows ads.

### Which is updated more often, Recorder Duet or Master Ear Trainer?

Recorder Duet ships an update every 20 months, and Master Ear Trainer every 2 months. Most recently, Recorder Duet was updated on November 6, 2026 and Master Ear Trainer on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*