# 应急中心 vs 维安

The clearest difference is update cadence: 维安 at every 3 weeks against 应急中心's every 3 months. 应急中心's advantage is iOS requirement (12.0 vs 15.6). 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.

应急中心 ships an update every 3 months, 维安 every 3 weeks. The most recent releases landed on September 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 应急中心 | 维安 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 14 MB | 102 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Inspur Genersoft Co., Ltd.](https://appshunter.io/developer/911718368) | [辽宁庆华物联网科技有限公司](https://appshunter.io/developer/1742939535) |

## What reviewers say

### 应急中心

[App page](https://appshunter.io/ios/app/id1660848687)

**Features:** Vision Pro support

**In-app purchases:** none


### 维安

[App page](https://appshunter.io/ios/app/id6499259095)

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

**In-app purchases:** none


## Frequently asked questions

### Is 应急中心 free?

应急中心 is free to download, with no in-app purchases.

### Is 维安 free?

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

### Do 应急中心 or 维安 have ads?

Neither 应急中心 nor 维安 shows ads.

### Which is updated more often, 应急中心 or 维安?

应急中心 ships an update every 3 months, and 维安 every 3 weeks. Most recently, 应急中心 was updated on September 6, 2026 and 维安 on September 26, 2026.

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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.*