This is a compass application for iPhone 3G. The electronic compass is needless.
This application uses GPS.
1. stop walking. touch the start button.
2. Please walk straight . The compass begins to move.
The more it walks, the more accurate it becomes.
3. if you became tired, stop walking. touch the stop button.
It can know azimuthal (direction) by only these three steps.
The full spectrum can be used free of charge.
There is an error margin depending on the accuracy of GPS. Please acknowledge it beforehand.
This is a free version. Free version and paid version, there is no difference in terms of features. Ads do not like you and I am happy to download the paid version. Please serch “sumyapp”.