# 管管安全 vs OHSA

The clearest difference is device support: OHSA at 2 against 管管安全's —. OHSA also leads on iOS requirement (9.0 vs 12.0). On price and in-app purchases 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 | 管管安全 | OHSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Size | 60 MB | 8 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jiangsu V.R Global Vision Co.Ltd.](https://appshunter.io/developer/1725915596) | [上海欧萨数据技术有限公司](https://appshunter.io/developer/1146355393) |

## What reviewers say

### 管管安全

[App page](https://appshunter.io/ios/app/id1598079671)

**In-app purchases:** none


### OHSA

[App page](https://appshunter.io/ios/app/ohsa/id1601786365)

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

**In-app purchases:** none


## Frequently asked questions

### Is 管管安全 free?

管管安全 is free to download, with no in-app purchases.

### Is OHSA free?

OHSA 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.*