WhatsApp is the world's most popular instant messaging service, and it's owned by Meta—the same company behind Facebook, Instagram, and Threads. If you value your privacy and digital security, I strongly recommend removing all of these apps from your phone. If there are any you absolutely can't live without, at minimum revoke every permission you can to protect yourself from the serious privacy and security risks these apps pose.The best alternative to WhatsApp or Facebook Messenger is Signal, w...