WhatsApp is Reportedly Adding 'View Once' Feature Soon on Android WhatsApp is currently working on a feature that will allow the sender and the receiver to see the message once before it disappears. by Joseph Henry
Tech WhatsApp iOS to Block Screenshots for ‘View Once’ According to Leaks—When Is it Coming? by Isaiah Richard
Tech WhatsApp 'View Once' is a Disappearing Photo Feature, Something Which Instagram Had for a Long Time by Isaiah Richard