With so many useful native and third-party apps available on iPhone, the Compass app often goes unnoticed. It may not be as essential as Messages, Photos, or Mail, but you can still get plenty of use out of it, especially if you're a hiker, camper, or someone who enjoys outdoor adventures. One of the best features of the Compass app is that it works offline, relying on your device's GPS and magnetometer rather than cellular service. This means it's just as effective in remote areas as it is in urban settings. While navigating, you can also turn on Airplane Mode or Low Power Mode to conserve battery power. For added security, download offline maps in Apple Maps before heading out. Here's a breakdown of all the features in the Compass app, a simple yet powerful tool with everything you need on a single screen. (We're showing it off on iOS 18, but it will work similarly on older iOS versions.) Determine your direction in degreesThe Compass app displays your current direction and a...more