# 掌上警视安 vs 安全护卫

The clearest difference is update cadence: 安全护卫 at monthly against 掌上警视安's every 3 months. 掌上警视安's advantage is iOS requirement (9.0 vs 13.0). 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.

掌上警视安 ships an update every 3 months, 安全护卫 monthly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 掌上警视安 | 安全护卫 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 56 MB | 105 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [幼林 皮](https://appshunter.io/developer/608808220) | [宁 刘](https://appshunter.io/developer/1620829817) |

## What reviewers say

### 掌上警视安

[App page](https://appshunter.io/ios/app/id1448965059)

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

**In-app purchases:** none


### 安全护卫

[App page](https://appshunter.io/ios/app/id6463506320)

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

**In-app purchases:** none


## Frequently asked questions

### Is 掌上警视安 free?

掌上警视安 is free to download, with no in-app purchases.

### Is 安全护卫 free?

安全护卫 is free to download, with no in-app purchases.

### Do 掌上警视安 or 安全护卫 have ads?

Neither 掌上警视安 nor 安全护卫 shows ads.

### Which is updated more often, 掌上警视安 or 安全护卫?

掌上警视安 ships an update every 3 months, and 安全护卫 monthly. Most recently, 掌上警视安 was updated on October 12, 2026 and 安全护卫 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.*