Protect your communication in transit and on your phone. SMSSecure is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other SMSSecure users are encrypted over the air.
Get the app
Get source code
The source for SMSSecure is open, so that anyone can easily verify it works as advertised. It is licensed GPLv3 and will always be free.
Last commit: "Fix NPE in SmsReceiveJob", by pR0Ps (7 days ago).
Easy
SMSSecure works like any other SMS application. There's nothing to sign up for and no new service your friends need to join.
Reliable
SMSSecure communicates using encrypted SMS messages. No servers or internet connection required.
Private
SMSSecure uses the TextSecure encryption protocol to provide privacy for every message, every time.
Safe
All messages are encrypted locally, so if your phone is lost or stolen, your messages are protected.
Open Source
SMSSecure is Free and Open Source, enabling anyone to verify its security by auditing the code.
Join the community!
Have a question? Want to help out? Join our IRC channel: #SMSSecure on Freenode or follow @SMSSecure_ on Twitter.