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.

Encrypted messaging platform Signal now offers secure backups on iPhone, letting users save and restore messages if they lose access to their device. There are free and paid versions of Signal's ...

You can store your messages for free, but you’ll need to pay $1.99 per month if you want to save more than 45 days’ worth of media. You can store your messages for free, but you’ll need to pay $1.99 ...