Discover the top 100 best upc scanner apps for android free and paid. top android apps for upc scanner in appcrawlr!. Whether you're looking to simply be able to scan qr codes you keep on seeing around or to compare prices on barcodes during your shopping, our top 10 list of qr code and barcode apps for android. Description: barcode express pro is a simple inventory tracking app for android devices. this app tracks items by category, id tag, location, value, and even can include a product image. this app tracks items by category, id tag, location, value, and even can include a product image..