This iGotYa App requires your iPhone to be jailbroken and costs $6 but Mos Def Worth it, should someone try to figure out your passcode either from stealing it or just your friends fooling around with your precious the app will….See Details.
@TatWza

Email you each time the wrong pass code is incorrectly put in, and you will see exactly who conspired against you. oh and you will def need the iPhone 4 with a front facing camera, and I advise iGotYa to make an Android version.