# MnMmusic vs OpenScore

The clearest difference is in-app purchases: MnMmusic at none against OpenScore's 2. MnMmusic also leads on iOS requirement (12.0 vs 16.4). OpenScore's advantage is update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. OpenScore sells 2 in-app purchases, starting at $12.99 per year. MnMmusic asks for nothing beyond the download.

MnMmusic ships an update every 3 months, OpenScore every 2 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MnMmusic | OpenScore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 67 MB | 101 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [gyu sick kim](https://appshunter.io/developer/1093413099) | [Nemo Studio (KR)](https://appshunter.io/developer/1845772843) |

## What reviewers say

### MnMmusic

[App page](https://appshunter.io/ios/app/mnmmusic/id6476797863)

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

**In-app purchases:** none


### OpenScore

[App page](https://appshunter.io/ios/app/openscore-sheet-music-reader/id6806447089)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.99 | per year |
| Plus | $19.99 | one-time |


## Frequently asked questions

### Is MnMmusic free?

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

### Is OpenScore free?

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

### Do MnMmusic or OpenScore have ads?

Neither MnMmusic nor OpenScore shows ads.

### Which is updated more often, MnMmusic or OpenScore?

MnMmusic ships an update every 3 months, and OpenScore every 2 days. Most recently, MnMmusic was updated on October 27, 2026 and OpenScore on October 29, 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.*