# 弹钢琴简谱 vs VOSP

The clearest difference is device support: 弹钢琴简谱 at 3 against VOSP's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | 弹钢琴简谱 | VOSP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 16 months | — |
| Size | 25 MB | 349 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [运涛 余](https://appshunter.io/developer/977049266) | [Beijing East Simulation&Control Technology Co.Ltd](https://appshunter.io/developer/1111054740) |

## What reviewers say

### 弹钢琴简谱

[App page](https://appshunter.io/ios/app/id691011377)

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

**In-app purchases:** none


### VOSP

[App page](https://appshunter.io/ios/app/vosp/id6627338679)

**In-app purchases:** none


## Frequently asked questions

### Is 弹钢琴简谱 free?

弹钢琴简谱 is free to download, with no in-app purchases.

### Is VOSP free?

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

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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.*