The Lightning QR Scanner app gives users the ability to instantly scan bar and QR codes. The app is very easy to use and even keeps track of history. The app works through the camera of users' mobile devices to scan codes. Once a user gets their camera focused on the code he/she wants to scan, the software takes care of the rest. These codes give users access to a bevy of information that they would not otherwise have about the item. This additional information can help with product research and general pricing. The stored history is a very useful feature for users, as it allows them to keep track of what they have been looking up. This feature is particularly useful for those who may need to scan a large number of QR codes and need to verify what they have looked up. The ease of use and history tracking feature make this a great app for anybody needing to scan a QR or bar code.