# 车掌门安防 vs 车联网+智管

The clearest difference is update cadence: 车掌门安防 at every 3 weeks against 车联网+智管's every 3 months. 车联网+智管's advantage is iOS requirement (12.0 vs 15.6). 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.

车掌门安防 ships an update every 3 weeks, 车联网+智管 every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 车掌门安防 | 车联网+智管 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 37 MB | 121 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) | [伟骏 吴](https://appshunter.io/developer/1116031949) |

## What reviewers say

### 车掌门安防

[App page](https://appshunter.io/ios/app/id6469493698)

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

**In-app purchases:** none


### 车联网+智管

[App page](https://appshunter.io/ios/app/plus/id6747071039)

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

**In-app purchases:** none


## Frequently asked questions

### Is 车掌门安防 free?

车掌门安防 is free to download, with no in-app purchases.

### Is 车联网+智管 free?

车联网+智管 is free to download, with no in-app purchases.

### Do 车掌门安防 or 车联网+智管 have ads?

Neither 车掌门安防 nor 车联网+智管 shows ads.

### Which is updated more often, 车掌门安防 or 车联网+智管?

车掌门安防 ships an update every 3 weeks, and 车联网+智管 every 3 months. Most recently, 车掌门安防 was updated on November 3, 2026 and 车联网+智管 on November 5, 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.*