# LNDU KEY vs LNDU+

LNDU KEY and LNDU+ 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.

LNDU KEY ships an update every 3 months, LNDU+ every 6 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LNDU KEY | 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 months** | Every 6 months |
| Monetization | — | Free |
| Size | 13 MB | 64 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Lingdu Auto Electronics Co., Ltd.](https://appshunter.io/developer/1727524224) | [东莞卡卡电子科技有限公司](https://appshunter.io/developer/1140439649) |

## What reviewers say

### LNDU KEY

[App page](https://appshunter.io/ios/app/lndu-key/id1617977703)

**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 LNDU KEY free?

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

### Is LNDU+ free?

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

### Do LNDU KEY or LNDU+ have ads?

Neither LNDU KEY nor LNDU+ shows ads.

### Which is updated more often, LNDU KEY or LNDU+?

LNDU KEY ships an update every 3 months, and LNDU+ every 6 months. Most recently, LNDU KEY was updated on October 25, 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.*