Spanish QR Codes - 465 Story Time, Read Aloud Books, Mono Silabo, Rimas... What are QR Codes? They are like barcodes. They can be scanned with an iPod, iPad, a smart phone, scanner for your computer, or tablet. Download a QR code scanner for FREE on the App Store. There are several free apps to choose from. Do you have students coming up saying they can't type the address in correctly to get to the story? QR Codes are so easy for students to scan.