When it comes to tracking your heart rate, nothing beats using equipment designed for such a purpose, such as chest strap heart rate monitors or electrocardiograms. However, if you're looking for an ...

YOUR iPhone is secretly a DIY dream device – just don’t plonk it down in the toolbox. The gadget is better known for making calls, showing you cat videos, and annoying you with text ...

The app takes some getting used to, and it's easy to get an inaccurate measurement if you're not holding your phone at just the right angle. Here's what you need to do to measure a 3D object with ...

From MyFitnessPal to Cronometer, there’s no shortage of calorie counting apps. But the best app for the job is already on ...

If you own an iPhone 12 Pro or iPhone 12 Pro Max, or a later iPhone "Pro" model, your device boasts a neat feature that allows you to measure the height of someone using just the Measure app and ...

You'll find it in the Apple Measure app (which is tucked away in the Utilities folder by default). Now just tap on the Level button and hold your iPhone against something – like a picture frame.