The most interesting element of this app is that it uses SMS to communicate with each other (text only). The creator says this is truly private and in a way this is correct. Although mobile network operators are able to intercept SMS messages, none of these messages are in a single inbox/outbox and are certainly not accessible from a data service, or internet. Are you a bit scared for others to hack or ears drop? Try this service. Owww, you must have an Android. Apple is not supported.