Isn't it annoying when you accidentally call someone or send messages while your phone is in your pocket? Luckily, the Lock app offers a solution to that. This simple tool allows you to quickly lock your screen, giving you the peace of mind that you won't press anything by accident when keeping your device in your bag or pocket.

This app is very simple and easy to use. Moreover, it has no ads, so you don't have to worry about annoying pop-ups or ad banners. Lock is also small in size, so it won't take up much space in your memory.