"There's an app for that." Who'd have ever thought that would be the case for something as fundamental as a ruler or a measuring tape? But here we are. If you're reading this, you may already know ...

Remember back when we used phones for only calls? Today, our smartphones hold our entire digital life. That includes, of course, your precious photos and videos. Tap or click for nine photos you ...

You can use your iPhone to measure rooms and align shelves. We show you which measuring functions the Apple smartphone has. Don't have a folding rule or spirit level ...