# 企安卫士 vs WaterTesting

The clearest difference is update cadence: WaterTesting at every 3 weeks against 企安卫士's every 5 months. 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.

企安卫士 ships an update every 5 months, WaterTesting every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 企安卫士 | WaterTesting |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 60 MB | 16 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zhuhai Ta'an Technology Co., Ltd.](https://appshunter.io/developer/1655598090) | [Shanghai Ruosull Technology Co., Ltd](https://appshunter.io/developer/1735275002) |

## What reviewers say

### 企安卫士

[App page](https://appshunter.io/ios/app/id6444598200)

**Features:** macOS Compatibility

**In-app purchases:** none


### WaterTesting

[App page](https://appshunter.io/ios/app/watertesting/id6479241037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 企安卫士 free?

企安卫士 is free to download, with no in-app purchases.

### Is WaterTesting free?

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

### Do 企安卫士 or WaterTesting have ads?

Neither 企安卫士 nor WaterTesting shows ads.

### Which is updated more often, 企安卫士 or WaterTesting?

企安卫士 ships an update every 5 months, and WaterTesting every 3 weeks. Most recently, 企安卫士 was updated on October 25, 2026 and WaterTesting on October 24, 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.*