Our app Scan & Generate multiple types of qr just in a Sec using using your smartphone. qr code reader is widely used to decode qr code types such as ISBN, EAN, UPC , data matrix and others. it can also be used as barcode scanner. qr code reader app helps you to scan almost every kind of qr. Simple user guide as following: To scan the qr code, simply open the qr & barcode scanner, click on QR Code Scanner button and then align the camera to the qr code. qr code reader will automatically recog