# 健康哨兵 vs 环境哨兵

The clearest difference is iOS requirement: 健康哨兵 at 9.0 against 环境哨兵's 11.0. 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 | 健康哨兵 | 环境哨兵 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 46 MB | 23 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [China Travelsky Technology Limited](https://appshunter.io/developer/443898877) | [Vispek Co., Ltd](https://appshunter.io/developer/1447793884) |

## What reviewers say

### 健康哨兵

[App page](https://appshunter.io/ios/app/id1631515479)

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

**In-app purchases:** none


### 环境哨兵

[App page](https://appshunter.io/ios/app/id6445802438)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 健康哨兵 free?

健康哨兵 is free to download, with no in-app purchases.

### Is 环境哨兵 free?

环境哨兵 is free to download, with no in-app purchases.

### Do 健康哨兵 or 环境哨兵 have ads?

Neither 健康哨兵 nor 环境哨兵 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.*