# Black Hawk Drums vs Clef Trainer

The clearest difference is in-app purchases: Black Hawk Drums at none against Clef Trainer's 1. Black Hawk Drums also leads on ads (none vs shown). Clef Trainer's advantage is update cadence (every 4 days vs every 26 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Clef Trainer sells 1 one-off in-app purchase. Black Hawk Drums asks for nothing beyond the download.

Black Hawk Drums ships an update every 26 months, Clef Trainer every 4 days. The most recent releases landed on September 27, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Black Hawk Drums | Clef Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 4 days** |
| Size | 169 MB | 29 MB |
| Requires iOS | **14.0.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Szymon Dziedzic](https://appshunter.io/developer/1507425063) | [Tuan Anh Nguyen](https://appshunter.io/developer/1702873367) |

## What reviewers say

### Black Hawk Drums

[App page](https://appshunter.io/ios/app/black-hawk-drums/id6575386330)

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

**In-app purchases:** none


### Clef Trainer

[App page](https://appshunter.io/ios/app/clef-trainer/id6745273935)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clef Trainer Plus | $0.99 | one-time |


## Frequently asked questions

### Is Black Hawk Drums free?

Black Hawk Drums is free to download, with no in-app purchases.

### Is Clef Trainer free?

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

### Do Black Hawk Drums or Clef Trainer have ads?

Clef Trainer shows ads; Black Hawk Drums does not.

### Which is updated more often, Black Hawk Drums or Clef Trainer?

Black Hawk Drums ships an update every 26 months, and Clef Trainer every 4 days. Most recently, Black Hawk Drums was updated on September 27, 2026 and Clef Trainer on September 13, 2026.

---

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