How to lock WhatsApp in your iPhone
This video also answers some of the queries below:
How to put password in WhatsApp
set password in WhatsApp in iPhone
lock WhatsApp with face id
1. To lock the WhatsApp in your iPhone the first thing you need to make sure is you should activate Face ID in your iPhone.
2. So, once you have activated Face ID in your iPhone then go to “WhatsApp”.
3. Tap on the “Settings” icon here.
4. Go to “Accounts”.
5. Go to “Privacy”.