# 卷闸门 vs SmartDoor®

The clearest difference is update cadence: SmartDoor® at every 6 weeks against 卷闸门's every 25 months. 卷闸门's advantage is iOS requirement (10.0 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.

卷闸门 ships an update every 25 months, SmartDoor® every 6 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 卷闸门 | SmartDoor® |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Size | 7 MB | 25 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [胜 邓](https://appshunter.io/developer/1368398791) | [博慧电子科技(漳州)有限公司](https://appshunter.io/developer/989706648) |

## What reviewers say

### 卷闸门

[App page](https://appshunter.io/ios/app/hy/id1516217686)

**In-app purchases:** none


### SmartDoor®

[App page](https://appshunter.io/ios/app/smartdoor/id6752542148)

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

**In-app purchases:** none


## Frequently asked questions

### Is 卷闸门 free?

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

### Is SmartDoor® free?

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

### Do 卷闸门 or SmartDoor® have ads?

Neither 卷闸门 nor SmartDoor® shows ads.

### Which is updated more often, 卷闸门 or SmartDoor®?

卷闸门 ships an update every 25 months, and SmartDoor® every 6 weeks. Most recently, 卷闸门 was updated on October 10, 2026 and SmartDoor® on October 8, 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.*