Locker is described as 'Create unlimited phone themes that will look like designed by professionals. With this app you can customize all the smallest details like unlock button, clock background or home screen. More than that, you can create a personalized and unique status bar perfect for your taste' and is an app in the photos & graphics category. There are nine alternatives to Locker for Android, Android Tablet, iPhone and iPad. The best Locker alternative is Springtomize. It's not free, so if you're looking for a free alternative, you could try Next Lock Screen or Keypad Lock Screen WatchDog. Other great apps like Locker are WidgetLocker Lockscreen, ILockscreen Pro, LockBox - Secret Photo Vault and The Learning Lock.