To lock WhatsApp on Android, launch the app, tap the three-dot menu, navigate to Settings > Privacy > App Lock, and turn on "Unlock With Biometric." To lock WhatsApp ...

After playing around with it in beta versions for several months, WhatsApp has finally begun rolling out a new feature called Locked Chats to millions of users around the globe. The feature lets users ...

WhatsApp is an end-to-end encrypted chat app, but those conversations can't be protected if someone gains access to your phone or if you don't lock the app with a password. That's where the Chat Lock ...