Phones have a sensor that doesn't get used a lot but can actually be really helpful for various tasks. Here's how to use your ...

"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 ...

iPhones equipped with a LiDAR Scanner have a useful trick: they can be used to measure a person's height. In order to take advantage of this feature, you will need an iPhone Pro or Pro Max model ...

Before diving into the methods, it's essential to understand the difference between altitude and elevation. Altitude refers to the height of an object or place above a given planetary reference plane, ...