Locker for Whats Chat App

Locker for Whats Chat App is a digital lock for WhatsApp chat(s) and the app.

Systweak Software · com.systweak.lockerforwhatsapp

Not rated yet 5M+ downloads v6.7.1.29 11.6 MB Android 4.1+ PEGI 3 · Everyone

Download APK 11.6 MB All versions

Signature matches the Google Play version Details

Watch the Locker for Whats Chat App trailer on YouTube

At a glance

Latest version: v6.7.1.29 (47)
Updated: Jun 30, 2026 (3 months ago)
APK size: 11.6 MB
Requires: Android 4.1+ (API 16)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Nov 2, 2020 (at least)
Permissions: 17 (7 sensitive)
Website: systweak.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Locker for Whats Chat App is an app by Systweak Software in the Tools category, listed since at least November 2020. It has no native code, so it runs on any Android processor.

It asks for 17 permissions, 7 of them sensitive, including read phone status and identity, find accounts on the device and read shared storage. The app offers in-app purchases through Google Play.

What's new in v6.7.1.29

New tab has been added for exchange messages on WhatsApp without saving their phone numbers in their contact list. Available to upgrade for free Updated all latest lib changes Resolved chat open issue from notification. Resolved shortcut chat open issue. Minor bug fixes.

Description

From the listing uploaded by “appupdater”.

Are you looking for an app that consumes less battery and helps secure group & individual WhatsApp chats? If your answer is yes, you have come to the right place. Download and install Locker for Whats Chat App on your Android device as it the answer to your questions. This best WhatsApp locker app helps lock both WhatsApp and chats be it individual or group thereby preventing unauthorized access. Locker for Whats Chat App is your personal guard to secure sensitive and private chats from unauthorized access. With this app installed on your Android device, you can easily protect your WhatsApp chats from friends who borrow your phone just to spy on you. Locker for Whats Chat App is one of the best locker apps to lock your WhatsApp chat and application. It helps lock your chats with passcode or fingerprint. Stop worrying about your private information being exposed. Outstanding features of Locker for Whats Chat App • Free to use • Best for locking WhatsApp chats • Protects WhatsApp application from unauthorized access • Uses less space • Does not drain the phone’s battery • Minimum permission required • Does not share data • Supports fingerprint sensor for easy unlocking • Single password for chat and app so that you don’t have to remember multiple passwords. • App size is about 3MB and works fast • Supports PIN and fingerprint • Secure group or individual chats. • Lock complete WhatsApp application How does it works? 1. Download and install the app. 2. Once installed launch app and give the required permissions. 3. Set passcode. 4. Tap ‘+’ to add the chat you wish to lock. You’re all set. Now each time anyone tries to access locked chat they will need to enter the set passcode. Long gone are the days when your friends were able to snoop into your WhatsApp chats as they were unlocked.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 30, 2026.
Certificate issued to “chatlocker” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified Jun 30, 2026
Validated against Google Play Jun 30, 2026
Signed byCN=chatlocker
Signing certificate (SHA-1)C0:DF:9B:EE:40:03:4B:FB:D5:46:9B:18:2E:B0:D2:76:AE:A3:4A:B5
File MD5ab42411331f58836fcd14abda9a131b9
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (17)

Locker for Whats Chat App requests 17 permissions, 7 of them sensitive.

Bind accessibility service Sensitive android.permission.BIND_ACCESSIBILITY_SERVICE
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
See all installed apps Sensitive android.permission.QUERY_ALL_PACKAGES
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Request ignore battery optimizations android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Use fingerprint hardware android.permission.USE_FINGERPRINT
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait