QR code or quick response barcode has become quite popular worldwide. Many companies putÂ QR codes on their paper banners and ask users to scan the codes to learn more details about current offers or brand. To “read” this code you need to get a phone with a camera and a special app. There are a lot of them nowadays. But as usual we’ve collected the best ones for you. Read this post and download one of these QR scanners for your iPhone.