
8.5.09.39 Nov 22, 2025
2.0
Premium Unlocked
Chat Locking
Secure your personal or group chats with a 4-digit passcode or fingerprint lock.
Easy Access Control
Lock/unlock chats using fingerprint or PIN.
App Protection
Lock the entire WhatsApp Messenger app to prevent unauthorized access.
Unified Password
Use a single password for both the app and individual chats.
Message Unsaved Numbers
Send messages to unknown numbers without needing to save them in your contacts first.
Lightweight Design
The app occupies minimal storage space on your device.
Easy Password Recovery
Simple steps to recover your password in case you forget it.
Minimal Permissions
The WhatsApp Locker for Android requires minimal permissions for functionality.
Low Battery Consumption
The app is designed to conserve battery life.
Privacy Assurance
Your data is not shared with third-parties.
If you forget your password for the Locker for Whats Chat App, follow these easy instructions:
1.Tap on the three vertical dots in the top-right corner of the app.
2.Select “Forgot passcode” and tap OK.
3.An email containing your passcode will be sent to your registered email address.
WhatsApp Locker by Systweak Software provides an extra layer of security for your WhatsApp messages. With the ability to lock both individual and group chats using passwords or biometric authentication, your private communications are well-protected.
To send a message to an unsaved number on WhatsApp, follow these steps:
1.Select the option for ‘Message to Unsaved No.'
2.Enter the desired mobile number along with the country code, omitting the ‘+' sign.
3.Click the green ‘Send Message' button.
Note: The free trial version of the Locker for Whats Chat App allows you to lock only 2 chats. To secure additional chats, consider subscribing to the premium version.
You can unlock more features by downloading and installing three additional recommended applications from Systweak Software, or you can purchase a monthly or annual subscription plan for the premium version of the WhatsApp Locker app.