# クレペリン：テストマスター vs Transpose Piano

The clearest difference is price: Transpose Piano at Free against クレペリン：テストマスター's $0.99. クレペリン：テストマスター's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Transpose Piano is free to download; クレペリン：テストマスター costs $0.99 up front. Transpose Piano sells 1 in-app purchase, starting at $4.99 per month. クレペリン：テストマスター asks for nothing beyond the download.

クレペリン：テストマスター ships an update fortnightly, Transpose Piano every 3 weeks. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | クレペリン：テストマスター | Transpose Piano |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 0 MB | 1 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Taiyo Koshiba](https://appshunter.io/developer/1687457132) | [晨 黄](https://appshunter.io/developer/6778631856) |

## What reviewers say

### クレペリン：テストマスター

[App page](https://appshunter.io/ios/app/id6744862345)

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

**In-app purchases:** none


### Transpose Piano

[App page](https://appshunter.io/ios/app/transpose-piano/id6779110773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transpose Piano Monthly | $4.99 | per month |


## Frequently asked questions

### Is クレペリン：テストマスター free?

クレペリン：テストマスター costs $0.99, with no in-app purchases.

### Is Transpose Piano free?

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

### Do クレペリン：テストマスター or Transpose Piano have ads?

Neither クレペリン：テストマスター nor Transpose Piano shows ads.

### Which is updated more often, クレペリン：テストマスター or Transpose Piano?

クレペリン：テストマスター ships an update fortnightly, and Transpose Piano every 3 weeks. Most recently, クレペリン：テストマスター was updated on September 7, 2026 and Transpose Piano on September 22, 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.*