How to Lock WhatsApp on iOS with Touch ID or Face ID
by Mike Epstein from Lifehacker on (#48GG1)
WhatsApp just got a neat new security feature on iOS. With version 2.19.20, iPhone and iPad users can now lock the app using their devices' biometric locks-Touch ID or Face ID, depending on your device's capabilities. Adding the lock requires you to re-authenticate yourself every time you open the app, even if your"