Compass Map Barometer is a free iPhone application developed by SHIGETO TAKAGI. It falls under the category of Business & Productivity and offers a simple and easy-to-use compass functionality.

This application allows users to easily designate the four main directions (north, east, south, and west) as well as any arbitrary direction. It provides the option to switch between magnetic north (magnet compass) and true north (gyro compass). Additionally, the app includes a map rotation compass function, which can be particularly useful for navigation purposes.

Compass Map Barometer also features a barometer function, specifically available for iPhone 6 and iPhone 6 Plus models. It is important to note that the accuracy of the app depends on the device it is used on.

Overall, Compass Map Barometer is a handy tool for those in need of a simple and reliable compass application on their iPhone.