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Last updated on: 2026-05-29
Android Apps > Tools > Lockin Smart
Lockin Smart icon

Lockin Smart

2.7.421
LOCKIN (U.S.) INC.
2.95
30 reviews
1,000+
Downloads
Free

Help you guard your home anytime, anywhere

Lockin Smart Screenshot 1 of 5
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About Lockin Smart

Lockin Smart is a tools app developed by LOCKIN (U.S.) INC..

How many times has Lockin Smart been downloaded?

Lockin Smart has been downloaded 4.9 thousand times. In the last 30 days, the app was downloaded 320 times.

What is the rating of Lockin Smart?

Lockin Smart is rated 2.95 out of 5 stars, based on 30 ratings.

Is Lockin Smart free?

Lockin Smart is free to download. The APK download size is 75.13 MB. The latest version available is 2.7.421. The last update was on April 21, 2026.

What are the requirements for Lockin Smart?

The app has a content rating of Everyone. The app has been available on Google Play January 2026.

Description
Welcome to Lockin Smart App - your smart manager, help you guard and monitor your home anytime, anywhere!
-Smart unlocking, my device my master!
①Multiple smart key options, easy to realize a safe and fast unlocking experience.
②Support one-time password, periodic password, convenient for visitors to enter and exit safely.
-APP in hand, easy control
①Can remotely view the lock dynamics, realize one-key remote door opening and closing.
②Two-way voice intercom, remote communication without obstacles.
-Intelligent detection, safe and intelligent control
Precise detection of people and packages helps you capture important information at the first time.
-Compatible with your smart home system
Access to the Matter ecosystem, easy access to Alexa, Google Home and other voice-controlled devices
-Privacy protection for peace of mind
Fingerprints, palm veins and other biometric information are stored in the door lock and not uploaded in the cloud, protecting your privacy and providing peace of mind.

If you have any questions, please contact support@lockin.com

Recent changes:
What's New:
-Copywriting optimization;
-Bug fixes
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More data about Lockin Smart

Price Free to download
Total downloads 4.9 thousand
Recent downloads 320
Rating 2.95 based on 30 ratings
Ranking Not ranked
Version 2.7.421
APK size 75.1 MB
Number of libraries ?
Suitable for Everyone
Ads NO ads

App Performance Report

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Google Play Rating history and histogram

12
0
1
6
9

Downloads over time

Lockin Smart has been downloaded 4.9 thousand times. Over the past 30 days, it averaged 11 downloads per day.

Changelog of Lockin Smart

  • Apr 21, 2026UpdateVersion 2.7.421
  • Apr 15, 2026UpdateVersion 2.7.420
  • Jan 30, 2026New AppVersion 2.7.411 in TOOLS for Free
Show more Show less

Developer information for LOCKIN (U.S.) INC.

LOCKIN (U.S.) INC.

liuyuchuan@lockin.com

Website

N/A

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Comments on Lockin Smart for Android

★★★★★ Robert · Feb 4, 2026
As of today, the app is not functioning. The app asks for my login credentials and promptly closes. The app used to work, but had some issues. Today, while adding a new family user's fingerprints, the app kept on going back to the login screen. Now, as stated earlier, the app just goes back to the login screen after the login attempt. Maybe it's their server system. All I know is the app is failing to open. Revised as of February 3, 2026. The app is back working earlier today. Works well!
★★★★★ Audi Sargent · Nov 27, 2025
I've had this lock for about 2 months now. it's amazing. The smart lock works perfectly. I had a little bit of an issue, and it was human error (my fault (because I installed the wrong strike pad) I've yet to integrate it to my Alexa, but I plan too soon. The palm reader on this works on this and unlocks this superfast. Which is especially important if your someone who might need to get in your door fast without fumbling for your keys. It totally exceeded my expectations. Would recommend to anyone.
★★★★★ VenomMed “Venom Doc” rescue, relocate, educate, medical · Oct 17, 2025
⚠️⚠️ This Company is Amazing. Best customer service, handle any issues beyond customer expectations. I know this is for the App which works great with their equipment. If you are looking for a company to do business with and warlocks with great app interface.look no further than LOCKIN! I don't write a lot of extended reviews, so that's how much of a positive experience I have had! ⚠️⚠️
★☆☆☆☆ Ben RS · Aug 17, 2025
New version deleted all my accounts. Using two devices. One with old version of app and one with new version of app. On updated, app insists that the user doesn't exist but on old version works fine. Recreated accounts and old device still connects and new device using same accounts has an empty home and no devices. Something is really messed up
★★☆☆☆ Steven Dao · Dec 12, 2025
Very slow to open feed, the app in its current state isn't fast enough to open the live feed for a doorbell camera, sometimes it can take 8+ seconds which is not up to industry standard. Additionally, the motion detection is completely broken, even at all settings at minimum It's still detecting way too many things in the distance, which results in you disabling motion detection completely... support has been helpful but powerless to solve these issues.
★☆☆☆☆ Andy Brown · Oct 7, 2025
App is trash. Can't set up an account because the email verification code claims that the password didn't meet minimum qualifications
★☆☆☆☆ Juan Rodriguez · Feb 9, 2026
Currently, the app is not able to be downloaded through the app store or the official website with tablets, I tried using a brand-new Galaxy Tab A9+ and others yet this problem seems exclusive to tablets, I worked together with customer service (which were really helpful, kind and professional) yet this issue could not be fixed. The App Store offers no information regarding the inability to work with tablets and while I consider the application to be good on phone, I am disappointed in this.

Google Play Rankings for Lockin Smart

This app is not ranked

Technologies used by Lockin Smart

Lockin Smart is requesting 52 permissions and we don't have library information (yet).

Permissions

Development tools
test access to protected storage, read sensitive log data
Your personal information
read your contacts, modify your contacts
Services that cost you money
directly call phone numbers
Your location
approximate (network-based) location, precise (GPS) location, access extra location provider commands
Network communication
view network connections, view Wi-Fi connections, pair with Bluetooth devices, full network access, Google Play license check, receive data from Internet
Your accounts
find accounts on the device
Storage
modify or delete the contents of your USB storage
Phone calls
read phone status and identity, android.permission.READ_PRIVILEGED_PHONE_STATE
Hardware controls
take pictures and videos, change your audio settings, record audio, control vibration
System tools
access Bluetooth settings, change system display settings, change network connectivity, allow Wi-Fi Multicast reception, connect and disconnect from Wi-Fi, disable your screen lock, retrieve running apps, access USB storage filesystem, run at startup, prevent phone from sleeping, modify system settings
Extra
android.hardware.sensor.accelerometer, android.pemissions.OVERRIDE_WIFI_CONFIG, android.permission.ACCESS_ADSERVICES_AD_ID, android.permission.ACCESS_ADSERVICES_ATTRIBUTION, android.permission.ACCESS_BACKGROUND_LOCATION, android.permission.BLUETOOTH_ADVERTISE, android.permission.BLUETOOTH_CONNECT, android.permission.BLUETOOTH_SCAN, android.permission.FOREGROUND_SERVICE, android.permission.POST_NOTIFICATIONS, android.permission.READ_MEDIA_IMAGES, android.permission.READ_MEDIA_VIDEO, android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS, baidu.push.permission.WRITE_PUSHINFOPROVIDER.com.lockin.smart, com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE, com.google.android.gms.permission.AD_ID, com.lockin.smart.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION, com.lockin.smart.permission.MIPUSH_RECEIVE, com.xiaomi.permission.AUTH_SERVICE
We haven't collected library information for this app yet. You can use the AppBrain Ad Detector app to detect libraries in apps installed on your device.
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