A free program for iPhone, by Michael Klein.
About Compass++ for iPhone
This software has been published on Softonic on October 25th, 2018 and we have not had the occasion to try it yet.
We encourage you to try it and leave us a comment or value it on our website. Our user community will really appreciate it!
Compass++ requires iOS 8.1.2 and above. The current version of the software is 1.8.0, and you can run it only in English.