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 ...

Concerned about your privacy when texting or making phone calls? Signal is a popular secure private messaging app that everyone from Twitter founder Jack Dorsey to whistleblower Edward Snowden use, ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust ...

In one way or another, most of us sacrifice elements of our privacy to use apps for free. We hand over our data to Big Tech in order to perform our jobs, consume content, communicate with others, and ...

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 ...