Signal Private Messenger is available for free worldwide for both iOS and Android and allows its millions of users to send texts, videos, and files, make voice and video calls, and shield your ...

Signal, an encrypted messaging service, lets you change the font size of the app's display and messages. You can change your font size in Signal on the platform's desktop, Android, and iPhone apps.

Curious about which messaging app fits your requirements? WhatsApp, Telegram, and Signal are some of the most secure options, offering end-to-end encryption to protect your conversations. Additionally ...