# LNDU+ vs Lockin  Smart

The clearest difference is review sentiment: Lockin  Smart at 43% against LNDU+'s 0%. Lockin  Smart also leads on rating (3.2 vs 1.6) and update cadence (fortnightly vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lockin  Smart holds the better App Store score, 3.2 against 1.6. Both are backed by a comparable volume of ratings — 7 and 24 respectively. Written reviews point the same way: 0% of LNDU+'s written reviews are positive against 43% of Lockin  Smart's.

LNDU+ ships an update every 6 months, Lockin  Smart fortnightly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LNDU+ | Lockin  Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (7 ratings)](https://appshunter.io/ios/app/lndu-plus/id6447084380/reviews) | **[3.2 (24 ratings)](https://appshunter.io/ios/app/lockin-smart/id6739702442/reviews)** |
| Number of ratings | 7 | **24** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 64 MB | 280 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [东莞卡卡电子科技有限公司](https://appshunter.io/developer/1140439649) | [LOCKIN (U.S.) INC.](https://appshunter.io/developer/1502077789) |

## What reviewers say

### 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


### Lockin  Smart

[App page](https://appshunter.io/ios/app/lockin-smart/id6739702442)

Manage and monitor your home remotely with smart unlocking, real-time lock dynamics, and two-way voice intercom. Features intelligent detection for people and packages, and integrates with smart home systems like Alexa and Google Home. Your privacy is protected with cloud-free biometric data storage.

**Highlights:** Smart unlocking with multiple key options, One-time and periodic password generation, Remote lock status viewing and control, Two-way voice intercom, Intelligent people and package detection, Matter ecosystem compatibility (Alexa, Google Home), Cloud-free biometric data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is LNDU+ free?

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

### Is Lockin  Smart free?

Lockin  Smart is free to download, with no in-app purchases.

### Which has better reviews, LNDU+ or Lockin  Smart?

Lockin  Smart is rated higher. LNDU+ averages 1.6 out of 5 from 7 ratings, while Lockin  Smart averages 3.2 from 24 ratings.

### Do LNDU+ or Lockin  Smart have ads?

Neither LNDU+ nor Lockin  Smart shows ads.

### Which is updated more often, LNDU+ or Lockin  Smart?

LNDU+ ships an update every 6 months, and Lockin  Smart fortnightly. Most recently, LNDU+ was updated on October 12, 2026 and Lockin  Smart on October 14, 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.*