In WhatsApp, you can delete messages at a specified time

In the settings, you can set the time interval after which the messages should disappear: 24 hours, 7 or 90 days. The function is installed by default, if necessary, it can be disabled.

To enter the settings for disappearing messages, you need to select the “Account” section in the “Settings” menu, then “Privacy” and go to “Disappearing messages”. The function is available on both iOS and Android devices.