This app was removed from the App Store.
Sun & Moon Compass
iOS iPhone Navigation
Find the North using the Sun or Moon position only.
Works on iPhone 3G / 3GS / 4G.
Full iOS 4 & Retina display support.
This app adds the missing compass to the iPhone, Simply align your device to the Sun or Moon.
This app is useful for all devices due to the high accuracy - better than 0.1 degree.
How it works?
Using date & time we can determine Sun & Moon position, then using your GPS we calculate the angle between your device and the Sun or Moon.