[header] How to use the scanlife for iphone app [title] Download, install and open the scanlife app on your iphone. [title] Look at the main page of the app, after the splash screen displays and goes away. [step] You should see several things going on. 
It'll open to a page where you'll be able to scan all of the qr codes and barcodes that exist on most products and all store shelves. [title] Scan a barcode or qr code from the location.