# Ebbinghaus vs Transpose Piano

The clearest difference is in-app purchases: Ebbinghaus at none against Transpose Piano's 1. Ebbinghaus also leads on iOS requirement (9.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Transpose Piano sells 1 in-app purchase, starting at $4.99 per month. Ebbinghaus asks for nothing beyond the download.

Ebbinghaus ships an update every 6 weeks, Transpose Piano every 3 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ebbinghaus | Transpose Piano |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 40 MB | 1 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [B&T Solutions Inc.](https://appshunter.io/developer/874073933) | [晨 黄](https://appshunter.io/developer/6778631856) |

## What reviewers say

### Ebbinghaus

[App page](https://appshunter.io/ios/app/ebbinghaus/id1198346993)

**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 Ebbinghaus free?

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

### Is Transpose Piano free?

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

### Do Ebbinghaus or Transpose Piano have ads?

Neither Ebbinghaus nor Transpose Piano shows ads.

### Which is updated more often, Ebbinghaus or Transpose Piano?

Ebbinghaus ships an update every 6 weeks, and Transpose Piano every 3 weeks. Most recently, Ebbinghaus was updated on October 4, 2026 and Transpose Piano on October 6, 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.*