# 网格化安全管理系统 vs 链冶材

The clearest difference is iOS requirement: 网格化安全管理系统 at 9.0 against 链冶材's 12.0. 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 | 网格化安全管理系统 | 链冶材 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 101 MB | 46 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sinomis Co., Ltd.](https://appshunter.io/developer/1428307893) | [唐山银耐联电子商务有限公司](https://appshunter.io/developer/1381056002) |

## What reviewers say

### 网格化安全管理系统

[App page](https://appshunter.io/ios/app/id1664387693)

**Features:** macOS Compatibility

**In-app purchases:** none


### 链冶材

[App page](https://appshunter.io/ios/app/id6444025345)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 网格化安全管理系统 free?

网格化安全管理系统 is free to download, with no in-app purchases.

### Is 链冶材 free?

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

### Do 网格化安全管理系统 or 链冶材 have ads?

Neither 网格化安全管理系统 nor 链冶材 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.*