How to lock Whatsapp/Facebook with passcode in iPhone on iOS 12

As
Whatsapp has become very popular among people and you must be sharing important
information across your network. So like many other apps the whatsapp app
security has become really important for many of us so that no one can see or
access your private messages on iPhone.
In iOS/ iPhone there is no directway to lock or unlock whatsapp. So only have app creator have to put in the feature to lock/unlock within the app. So you can’t lock apps unless the app developers has provided the option to do so and that is not available in Whatsapp. This is surprising that with iOS 12 and latest version of whatsapp does not support locking the app from within the application settings. So without whatsapp supporting lock on the app it is important to know - how to lock whatsapp on iphone. As we have mentioned it is not possible to do it directly from your iPhone or within the whatsapp application. There is one workaroundyou can try to get whatsapp locked with passcode :
Workaround : Use Screen Time …
In iOS/ iPhone there is no directway to lock or unlock whatsapp. So only have app creator have to put in the feature to lock/unlock within the app. So you can’t lock apps unless the app developers has provided the option to do so and that is not available in Whatsapp. This is surprising that with iOS 12 and latest version of whatsapp does not support locking the app from within the application settings. So without whatsapp supporting lock on the app it is important to know - how to lock whatsapp on iphone. As we have mentioned it is not possible to do it directly from your iPhone or within the whatsapp application. There is one workaroundyou can try to get whatsapp locked with passcode :
Workaround : Use Screen Time …