Android
Barcode Scanner – Android Apps on Google Play
https://play.google.com/store/apps/details?id=com.google.zxing.client.android…
Rating: 4.1 – 621,335 votes – Free
Scan barcodes on products, or Data Matrix and QR Codes containing URLs, contact info, etc. Almost every question and negative review comment is addressed …
QR & Barcode Scanner – Android Apps on Google Play
https://play.google.com/store/apps/details?id=com.gamma.scan&hl=en_GB
Rating: 4.4 – 340,841 votes – Free
QR & Barcode Scanner is the fastest QR / barcode scanner out there. QR & Barcode Scanner is an essential app for every Android device. QR & Barcode …
Apple
QR Code Reader and Scanner on the App Store – iTunes – Apple
https://itunes.apple.com/gb/app/qr-code-reader-and-scanner/id388175979?mt=8
The easiest and fastest QR Code and Barcode Reader. Now get the best prices and reviews when you scan a product barcode.
QR Reader for iPhone on the App Store – iTunes – Apple
https://itunes.apple.com/gb/app/qr-reader-for-iphone/id368494609?mt=8
Rating: 3.3 – 23 reviews – Free – iOS – Utilities/Tools
14 Oct 2016 – The most simple & easy QR Reader – 100% FREE. Now scans QR codes, barcodes, puzzles, business cards and documents.