Fascinating QR Code Reader App Tactics That Can Help You to understand about the QR code scanner.
QR code is a label only machine-readable that hides information about the product. Code is only readable to the machine so humans not understand the hidden information behind that code. Bar code is a series of black and white lines and some numbers under those lines.
The bar code contains the full information of that product. Price, mfg. date and exp date. The code labels are only readable by the bar code scanner or reader app. Barcode Reader