# Chief iWatch vs 守護APP

The clearest difference is update cadence: 守護APP at weekly against Chief iWatch's every 6 weeks. Chief iWatch's advantage is iOS requirement (9.0 vs 18.6). 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.

Chief iWatch ships an update every 6 weeks, 守護APP weekly. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Chief iWatch | 守護APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 80 MB | 127 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [是方電訊股份有限公司](https://appshunter.io/developer/719288276) | [Guider Health Industry Co., Ltd](https://appshunter.io/developer/1470559190) |

## What reviewers say

### Chief iWatch

[App page](https://appshunter.io/ios/app/chief-iwatch/id1617973738)

**Features:** macOS Compatibility

**In-app purchases:** none


### 守護APP

[App page](https://appshunter.io/ios/app/app/id6806182982)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chief iWatch free?

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

### Is 守護APP free?

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

### Do Chief iWatch or 守護APP have ads?

Neither Chief iWatch nor 守護APP shows ads.

### Which is updated more often, Chief iWatch or 守護APP?

Chief iWatch ships an update every 6 weeks, and 守護APP weekly. Most recently, Chief iWatch was updated on October 27, 2026 and 守護APP on October 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.*