GPS Heading Compass Barometer app for iPhone and iPad is a real compass, which shows device’s real-time orientation to magnetic fields. GPS Heading Compass is the best compass App for iOS, you can check all the information right and it uses the barometer and gyrocompass The most innovative, feature-rich, user-friendly With a beautifully crafted design is the most gorgeous compass app in the store. Features : - Completely new design for iOS 7 & 8. - Shows device real-time orientation to magnetic fields. - Ability to switch between true and magnetic North. - Get most out of your brand new iPhone 6/6 Plus using the new Barometer sensor - Improved accuracy using Gyrocompass and Barometer - Location coordinates (longitude, latitude) - Sunrise,Sunset - Calibration - Altitude - Pressure Note: Barometer is only available in iPhone 6/6 Plus, in any other device this feature is not available. Continued use of GPS running in the background can dramatically decrease battery life.