# 宠保姆【Pet Guardian】 vs WT

The clearest difference is update cadence: WT at every 5 days against 宠保姆【Pet Guardian】's every 3 weeks. 宠保姆【Pet Guardian】's advantage is iOS requirement (9.0 vs 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.

宠保姆【Pet Guardian】 ships an update every 3 weeks, WT every 5 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 宠保姆【Pet Guardian】 | WT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 57 MB | 34 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUPER DESIGN MANUFACTURE CO.,LTD ZHUHAI](https://appshunter.io/developer/1542176360) | [Ningbo Wangtong Locks Co., Ltd.](https://appshunter.io/developer/1565118987) |

## What reviewers say

### 宠保姆【Pet Guardian】

[App page](https://appshunter.io/ios/app/pet-guardian/id1626617575)

**Features:** macOS Compatibility

**In-app purchases:** none


### WT

[App page](https://appshunter.io/ios/app/wt-smartalock/id1644864721)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 宠保姆【Pet Guardian】 free?

宠保姆【Pet Guardian】 is free to download, with no in-app purchases.

### Is WT free?

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

### Do 宠保姆【Pet Guardian】 or WT have ads?

Neither 宠保姆【Pet Guardian】 nor WT shows ads.

### Which is updated more often, 宠保姆【Pet Guardian】 or WT?

宠保姆【Pet Guardian】 ships an update every 3 weeks, and WT every 5 days. Most recently, 宠保姆【Pet Guardian】 was updated on October 5, 2026 and WT on October 2, 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.*