Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.

You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read barcodes.

It's a rarity to find a peer with a printer, let alone a scanner. As technology evolves, it seems like the scanner is going the way of the fax machine, slowly but surely slipping into oblivion. That ...