SecureMessage

There are some possibilities your message will be read by someone.
SecureMessage helps you send and receive secret messages.

With SecureMessage, you can send and receive multilingual messages and also change your interface with another language from iPhone language settings.

Its very easy and simple to send secret messages. Type your message and a password. Then send encrypted message.
When you receive a encrypted message, copy and paste it to SecureMessage, provide the password and tap "Decrypt".

Note: Password are limited to 8 characters in length.