Diamond Zip Locker is a free Android application developed by Best zipper lock screens. It is a personalization app that allows you to change the lock screen on your device in a unique and customizable way. With Diamond Zip Locker, you can choose your own wallpaper for both the locker screen and your device background, and change the zipper style, color, and design with just a simple click until you find the best combination that works for you. The app also provides various useful widgets and interesting themes for decorating your lock screen while protecting your privacy and ensuring security. Moreover, it has a password option that you can use before unzipping the lock screen. Diamond Zip Locker is very easy to apply - just click the Activate Lock Screen button from the main menu, and the locker will be displayed every time you lock and unlock your device.