The cute but slow Measure app has been revitalized by LiDAR on the iPhone 12 Pro to become far faster and even more useful.

Once you install iOS 12 , you'll notice a new Apple app called Measure. This app uses augmented reality to act as a tape measure or ruler, measuring objects around you with the phone's camera. So ...

Your iPhone or iPad can use the free Measure app to take basic measurements. If you have a newer device, you may have more complex measuring options.

The app uses Apple 's Sound Analysis framework to recognize the noises made by a cat. Sound Analysis can identify over 300 specific sounds including laughter, applause, and, of course, meows.