# 黑铁砖 vs 智慧安防+

The clearest difference is ads: 黑铁砖 at none against 智慧安防+'s shown. 智慧安防+'s advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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, 智慧安防+ fortnightly. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 黑铁砖 | 智慧安防+ |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 40 MB | 209 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宇宏 王](https://appshunter.io/developer/1236363163) | [深圳市普耐德信息科技有限公司](https://appshunter.io/developer/1454076465) |

## What reviewers say

### 黑铁砖

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 智慧安防+

[App page](https://appshunter.io/ios/app/plus/id1454076466)

**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 智慧安防+ free?

智慧安防+ is free to download, with no in-app purchases.

### Do 黑铁砖 or 智慧安防+ have ads?

智慧安防+ shows ads; 黑铁砖 does not.

### Which is updated more often, 黑铁砖 or 智慧安防+?

黑铁砖 ships an update every 2 months, and 智慧安防+ fortnightly. Most recently, 黑铁砖 was updated on September 9, 2026 and 智慧安防+ on September 18, 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.*