Signal – Private Messenger for iOS

Signal provides end-to-end encryption for your calls, securing your conversations so that nobody can listen in.- Signal uses your normal phone number to make and receive calls, so you don’t need yet another identifier.- Signal calls are encrypted end-to-end, but function just like you’re used to.- Free and Open Source, enabling anyone to verify its security by auditing the code.- Uses wifi or data, not your plan’s voice minutes.

via Signal – Private Messenger on the App Store on iTunes.