Gun Keep App! This app will help you keep track of your guns. You can store a description, serial number, model, gun manufacturer, gun type, production date, condition, gun retailer, ammo, parts, gun and ammo inventory and a host of other information on each gun. You can even enter information about guns you don't have yet but want. The main menu contains three large buttons. There is a button to enter information about guns. Also, a button to enter information about ammo. There is also a button to enter gun master or miscellaneous data. Also there is a small icon in the lower left corner to set preferences.