# 黑铁砖 vs 安全护卫

黑铁砖 and 安全护卫 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

黑铁砖 ships an update every 2 months, 安全护卫 monthly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 黑铁砖 | 安全护卫 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1236363164/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 40 MB | 105 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [宇宏 王](https://appshunter.io/developer/1236363163) | [宁 刘](https://appshunter.io/developer/1620829817) |

## What reviewers say

### 黑铁砖

[App page](https://appshunter.io/ios/app/id1236363164)

**Features:** macOS Compatibility

**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 黑铁砖 free?

黑铁砖 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 黑铁砖 or 安全护卫 have ads?

Neither 黑铁砖 nor 安全护卫 shows ads.

### Which is updated more often, 黑铁砖 or 安全护卫?

黑铁砖 ships an update every 2 months, and 安全护卫 monthly. Most recently, 黑铁砖 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.*