QR codes can be really handy. A grid of seemingly random black-and-white squares can hold enough information to store website URLs, contact information, email addresses, pre-defined SMS text messages, ...

What is a QR code? A QR code is a kind of square-shaped barcode that stores information. QR stands for Quick Response. With your mobile phone, you can scan them and thus access the information they ...

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...

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.

The dedicated Code Scanner app is ready when you need it. We want to help you master Control Center, one of the most powerful and underutilized features on Apple devices. Cult of Mac’s Control Center ...