Yes, it's an app on my IPhone powered by Microsoft. It's call TAG. I'm sure other phones may have it
It's a product scanner for your phone.
Scan a picture of the most recognizable (like a medium or full portion the label) scan it (and it does an auto search) then it gives you the retail price and where to find it. Although it only recognizes products (so far that are manufactured in the USA, it's still pretty cool! p.s. It's free