You can delete a WhatsApp group that you created or that you are the admin of. Here's how to do it on iPhone or Android.

While the group text may not be as prolific as, say, the group WhatsApp chat or email chain, people who prefer to use good, old-fashioned texting may have a few ‘mass texts’ to send information out to ...

To delete a message on Signal from the mobile app, tap and hold your finger on it; on the desktop version, click the three dots next to it.