BARGAIN hunters are raving about Asda’s secret scanner app which allows them to find cut-price bargains in store. One shopper admitted to using her phone to scour the store for discounts, and… ...

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.

There you have it. No need to buy a third-party app from the App Store. Just use the scanner that’s been sitting on your iPhone this whole time.

If you have some official documents to sign, scan and send but don't have a proper scanner ready, don't worry — just follow these steps.