Barometer Pro!

Only compatible with iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPad mini 4, iPad Air 2, iPad Pro This app is primarily used to measure atmospheric pressure. It could also collect weather information such as temperature, humidity, wind speed, wind direction, precipitation and cloudiness from adjacent weather stations. 7) In addition, users could also add photos, videos and voice notes to the measured data, and the photos, videos and voice notes could be downloaded via iTunes.