You Could: Download and use Signal, and get your friends to tooTLDR, here's what you need to know: 1. [Download Signal for iOS or Android](https://signal.org/download). You can only install Signal on one phone, but you can install it on iPads and desktops
TLDR, here's what you need to know: 1. [Download Signal for iOS or Android](https://signal.org/download). You can only install Signal on one phone, but you can install it on iPads and desktops