The newest application in Misawa Software's product line was relased 18 Oct 2012.
Declination Compass is an iOS App that uses the World Magnetic Model to calculate magnetic declination for any given point on the earth or in the air. Latitude, Longitude and Altitude can be found by the iPhone's onboard GPS or can be set manually by the user.
The compass displays the true heading, magnetic heading and other useful information with a sleek and simple interface.