You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not clear whether the team at Signal believes the maxim that ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

The Signal encrypted messaging application is seen on a mobile device in this illustration photo taken in Warsaw, Poland on 26 March, 2025. (Photo by Jaap Arriens/NurPhoto) I don’t know very much ...