# Chorustr vs GPMuse

The clearest difference is update cadence: Chorustr at weekly against GPMuse's every 2 weeks. Chorustr also leads on iOS requirement (16.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chorustr ships an update weekly, GPMuse every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Chorustr | GPMuse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 48 MB | 37 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GEORGE MACKENNEY](https://appshunter.io/developer/1880501663) | [Hung Truong Khanh](https://appshunter.io/developer/1762420034) |

## What reviewers say

### Chorustr

[App page](https://appshunter.io/ios/app/chorustr/id6759758368)

**In-app purchases:** none


### GPMuse

[App page](https://appshunter.io/ios/app/gpmuse-music-notation/id6761681276)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chorustr free?

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

### Is GPMuse free?

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

### Do Chorustr or GPMuse have ads?

Neither Chorustr nor GPMuse shows ads.

### Which is updated more often, Chorustr or GPMuse?

Chorustr ships an update weekly, and GPMuse every 2 weeks. Most recently, Chorustr was updated on October 24, 2026 and GPMuse 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.*