All of the other App Lock applications provide just PIN and Pattern lock options to lock your apps and vault. Most of the time, our friends and colleagues can guess our PIN or Pattern by peeping over our shoulder a few times. Are your friends, colleagues, and family members guessing your PIN frequently? We provide the Ultra Lock app to solve your problem. Apart from PIN and Pattern lock option, Ultra Lock provides the following unique lock options, 1. Hours and Minutes PIN: This option sets