Five hidden apps on your iPhone that you should be using - and how to find them

A number of extremely useful, pre-installed apps on iPhones are flying under the radar. A number of extremely useful, pre-installed apps on iPhones are flying under the radar Use your phone as a magnifying glass Let’s start with an amazingly simple and very functional app: Magnifier. Quickly scan QR codes Don’t download a third-party QR code scanner app. If you scan QR codes a few times a week, add Code Scanner to your phone’s Control Center. Open the Settings app, then scroll down and select Control Center; Tap the plus icon next to Code Scanner if it's not already in your Control Center.