# 拍Pai vs QM Simulator

The clearest difference is iOS requirement: 拍Pai at 15.0 against QM Simulator's 17.0. 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.

## The numbers

| Metric | 拍Pai | QM Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 24 MB | 29 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JunJie Yang](https://appshunter.io/developer/1442087099) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### 拍Pai

[App page](https://appshunter.io/ios/app/pai/id6469460756)

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

**In-app purchases:** none


### QM Simulator

[App page](https://appshunter.io/ios/app/qm-simulator-quantum-physics/id6809480339)

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

**In-app purchases:** none


## Frequently asked questions

### Is 拍Pai free?

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

### Is QM Simulator free?

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

### Do 拍Pai or QM Simulator have ads?

Neither 拍Pai nor QM Simulator shows ads.

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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.*