# Rockstars Hub vs Transpose Piano

The clearest difference is update cadence: Transpose Piano at every 3 weeks against Rockstars Hub's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rockstars Hub sells 1 one-off in-app purchase and Transpose Piano sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Rockstars Hub ships an update every 3 months, Transpose Piano every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Rockstars Hub | Transpose Piano |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 84 MB | 1 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [晨 黄](https://appshunter.io/developer/6778631856) |

## What reviewers say

### Rockstars Hub

[App page](https://appshunter.io/ios/app/rockstars-hub/id6739126559)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rockstar Intensive | $49.99 | one-time |


### 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 Rockstars Hub free?

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

### Is Transpose Piano free?

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

### Do Rockstars Hub or Transpose Piano have ads?

Neither Rockstars Hub nor Transpose Piano shows ads.

### Which is updated more often, Rockstars Hub or Transpose Piano?

Rockstars Hub ships an update every 3 months, and Transpose Piano every 3 weeks. Most recently, Rockstars Hub was updated on October 24, 2026 and Transpose Piano on October 24, 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.*