 Want to lock your wants app chats? Here is how to lock individual chat on wants app. Download locker for wants chat app. Go to google play store and search for locker for wants chat app. Install the app on your smartphone. Open locker for wants chat app. Now, the app will ask you to create a 4 digit passcode. Enter the passcode again to confirm it. After this, enter a recovery email address, in case you forget your pen and future. Here, click on plus icon to add the chat group. Select the chat group you want to lock. And it's done. Now, you can lock and unlock chats anytime. To check if the chat is locked or not, go to wants app, here, to open the chat, it will ask for the passcode. Enter the 4 digit passcode to unlock the chat. It's that simple. Lock all your private whatsapp group and personal chats in a jiffy. Lock your for wants chat app.