Comparison

LNDU+ vs Blackview Security

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LNDU+

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
Read full description

LNDU+:Full control of your smart home. Manage the smart doorbell, door lock, and cameras remotely with one click, ensuring both home security and convenience. Features a simple interface and robust privacy protection.

About

Blackview Security

Enhance home security with a smart door lock system. Monitor your doorstep remotely via a high-definition camera, unlock with advanced fingerprint recognition, or use a secure password. Enjoy convenient and reliable access control for your household.

Highlights
  • HD camera for remote doorstep monitoring
  • Advanced fingerprint recognition for keyless entry
  • Password functionality for family and guests
  • Real-time security status updates
  • Convenient remote access control
Features
Read full description

In modern society, the development of smart technology has permeated every aspect of our daily lives. Among them, the smart door lock, as the wise guardian of home security, is gradually gaining favor among people. Integrating various advanced technologies such as cameras, fingerprint recognition, and password functionality, the smart door lock provides comprehensive security for households. Firstly, the smart door lock is equipped with a high-definition camera, capable of real-time monitoring of the doorstep. Regardless of your location, simply use a smartphone application to view the live feed of the door, allowing you to promptly grasp the security status of your home. This remote monitoring feature provides convenience, enabling you to keep an eye on your home anytime, anywhere. Secondly, the smart door lock utilizes advanced fingerprint recognition technology. By pre-registering fingerprints, the smart door lock can quickly and accurately identify family members and control the opening of the door. This keyless entry method is not only convenient but also more secure and reliable, effectively preventing the risk of key loss or duplication. Additionally, the smart door lock is equipped with password functionality, offering another unlocking option for family members and visitors. Family members or guests simply need to enter a preset password to easily unlock the door. Moreover, you can change the password at any time to ensure home security without worrying about the risk of password leakage. In summary, the smart door lock, with its camera monitoring, fingerprint recognition, and password functionality, provides comprehensive security for households. It not only enhances home security but also offers convenient access control for family members. Let us embrace smart technology together and create a safer and more comfortable home environment.

Screenshots

LNDU+4 screens
Blackview Security4 screens

Verdict

The call

The clearest difference is rating: Blackview Security at 2.0 against LNDU+'s 1.6. Blackview Security also leads on review sentiment (25% vs 0%) and update cadence (every 2 months vs every 6 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Blackview Security holds the better App Store score, 2.0 against 1.6. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 0% of LNDU+'s written reviews are positive against 25% of Blackview Security's.

UpkeepUpdate frequency

LNDU+ ships an update every 6 months, Blackview Security every 2 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
LNDU+ versus Blackview Security: the parameters behind the verdict, then further details
ParameterLNDU+Blackview Security
PriceFreeFree
Rating1.6 (7 ratings)2.0 (4 ratings) — better
Positive reviews0.0% of reviews25.0% of reviews — better
Number of ratings7 — better4
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size64 MB82 MB
Age rating17+17+
Developer东莞卡卡电子科技有限公司Shenzhen DOKE Electronic Co., Ltd

Customer experience

LNDU+

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews7 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Blackview Security

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

LNDU+

No in-app purchases

None

Blackview Security

No in-app purchases

Questions

Is LNDU+ free?
LNDU+ is free to download, with no in-app purchases.
Is Blackview Security free?
Blackview Security is free to download, with no in-app purchases.
Which has better reviews, LNDU+ or Blackview Security?
Blackview Security is rated higher. LNDU+ averages 1.6 out of 5 from 7 ratings, while Blackview Security averages 2.0 from 4 ratings.
Do LNDU+ or Blackview Security have ads?
Neither LNDU+ nor Blackview Security shows ads.
Which is updated more often, LNDU+ or Blackview Security?
LNDU+ ships an update every 6 months, and Blackview Security every 2 months. Most recently, LNDU+ was updated on September 9, 2026 and Blackview Security on September 21, 2026.

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