QR scanner app is a mobile application that allows users to scan QR codes using the camera on their smartphone or tablet. QR codes are two-dimensional barcodes that can contain a variety of information, such as website URLs, contact information, product details, and more. By scanning a QR code with a scanning app, users can quickly access the information contained within the code without having to manually enter it. QR scanner apps typically use the camera on a mobile device to capture the QR co