# 迅宿智能锁 vs LNDU+

The clearest difference is update cadence: 迅宿智能锁 at every 3 weeks against LNDU+'s every 6 months. 迅宿智能锁 also leads on iOS requirement (9.1 vs 14.0). 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.

迅宿智能锁 ships an update every 3 weeks, LNDU+ every 6 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 迅宿智能锁 | LNDU+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (12 ratings)](https://appshunter.io/ios/app/lndu-plus/id6447084380/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | — | Free |
| Size | 84 MB | 64 MB |
| Requires iOS | **9.1** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Topband Co.,Ltd](https://appshunter.io/developer/481956528) | [东莞卡卡电子科技有限公司](https://appshunter.io/developer/1140439649) |

## What reviewers say

### 迅宿智能锁

[App page](https://appshunter.io/ios/app/id1405468632)

**Features:** macOS Compatibility

**In-app purchases:** none


### LNDU+

[App page](https://appshunter.io/ios/app/lndu-plus/id6447084380)

Control your smart home devices like doorbells, locks, and cameras from anywhere. This app offers a simple interface for enhanced home security and convenience with robust privacy protection.

**Highlights:** Remote doorbell management, Smart lock control, Camera monitoring, One-click operation, Simple interface, Privacy protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 迅宿智能锁 free?

迅宿智能锁 is free to download, with no in-app purchases.

### Is LNDU+ free?

LNDU+ is free to download, with no in-app purchases.

### Do 迅宿智能锁 or LNDU+ have ads?

Neither 迅宿智能锁 nor LNDU+ shows ads.

### Which is updated more often, 迅宿智能锁 or LNDU+?

迅宿智能锁 ships an update every 3 weeks, and LNDU+ every 6 months. Most recently, 迅宿智能锁 was updated on October 10, 2026 and LNDU+ 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.*