As you'll be very much aware if you're a regular reader of ours, iOS apps seem to go free on a regular basis. But whilst we do our utmost to pick the best of the bunch, it's very rare that an immensely popular application drops its price tag completely. Yet one of our all-time favorite apps has just done exactly that, and if you like a bargain - as well as the idea of using your device as a makeshift scanner - then we've the full details and download link for this freebie after the leap.
