# MusicKeyRoll vs DrumTrainer

The clearest difference is in-app purchases: MusicKeyRoll at none against DrumTrainer's 1. MusicKeyRoll also leads on device support (4 vs 2) and iOS requirement (15.6 vs 18.6). On price, update cadence and ads there is nothing between them.

Both are free to download. DrumTrainer sells 1 one-off in-app purchase. MusicKeyRoll asks for nothing beyond the download.

MusicKeyRoll ships an update weekly, DrumTrainer every 2 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MusicKeyRoll | DrumTrainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 182 MB | 4 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mozusystems, LLC](https://appshunter.io/developer/525117694) | [koyo kuze](https://appshunter.io/developer/1862339457) |

## What reviewers say

### MusicKeyRoll

[App page](https://appshunter.io/ios/app/musickeyroll/id6738299571)

**Features:** Vision Pro support

**In-app purchases:** none


### DrumTrainer

[App page](https://appshunter.io/ios/app/drumtrainer/id6759857935)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フルキット解放 | $2.99 | one-time |


## Frequently asked questions

### Is MusicKeyRoll free?

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

### Is DrumTrainer free?

DrumTrainer is free to download, with in-app purchases available.

### Do MusicKeyRoll or DrumTrainer have ads?

Neither MusicKeyRoll nor DrumTrainer shows ads.

### Which is updated more often, MusicKeyRoll or DrumTrainer?

MusicKeyRoll ships an update weekly, and DrumTrainer every 2 weeks. Most recently, MusicKeyRoll was updated on October 27, 2026 and DrumTrainer on October 24, 2026.

---

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