# 塑胶工业 vs PI

The clearest difference is in-app purchases: PI at none against 塑胶工业's 3. PI also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 塑胶工业 sells 3 one-off in-app purchases. PI asks for nothing beyond the download.

## The numbers

| Metric | 塑胶工业 | PI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 82 MB | 60 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Guangzhou Jiangwaijiang Information Technology Co., Ltd](https://appshunter.io/developer/991795069) | [湖北鄂仪国际贸易有限公司](https://appshunter.io/developer/1762586431) |

## What reviewers say

### 塑胶工业

[App page](https://appshunter.io/ios/app/id1488051796)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SVIP1 | $0.99 | one-time |
| SVIP88 | $12.99 | one-time |
| SVIP128 | $19.99 | one-time |


### PI

[App page](https://appshunter.io/ios/app/pi-mall/id6747153321)

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

**In-app purchases:** none


## Frequently asked questions

### Is 塑胶工业 free?

塑胶工业 is free to download, with in-app purchases available.

### Is PI free?

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

### Do 塑胶工业 or PI have ads?

Neither 塑胶工业 nor PI 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.*