[Introduction] It's an essential APP for outdoor people. It can accurately measure altitude, latitude and longitude, direction and so on. It can also share photos with information such as altitude to social network. [Function] 1. Altitudinal: accurate real-time display of current altitude information. 2. Compass: accurate and real-time display of the current direction. 3. Locator: display the current latitude and longitude and address information and display it on the map. 4. Social sharing: you can take photos of the album or camera in Shanghai to get the watermark and share it. 5.Increase air pressure display. [Contact] [email protected] [Weibo] http://weibo.com/cnmaps