DO NOT USE THIS APP esp if you're committing a low crime. These ppl will offer you up on a silver platter. You're safer using your own phone # then you are using this app BECAUSE all the police need to do is reverse phone-number look up, see that its an app phone # and TA DA! They call them up, ask for the phone #'s text message history and bam there it is. They don't even need a warrant the company will offer it, no hesitation. Plus they could still get your history with a warrant too. In my experience they never been able to get into apple phones without consent or the password. What messes with people is the phone company. They find out what service you have and then they get a warrant to seize your text message history. It's harder for them with your own phone number versus the apps. These Apps are not a secret. Don't even think about using it, you'll get caught so fast it'll make your head spin. The self destructing txt message apps are a safer option.