I have reissued the map selection and the map download. It should be lots easier now to handle.
Most of All the maps can be downloaded directly in the app now.
Finally I got a license from Polar and so
I’m actually integrating I’ve integrated Polar Bluetooth belts into BikeComputer Pro. There is visual and audio feedback of it, featuring also sport zones which you are able to adjust to fit your needs.
As questions come up which strap is compatible : there are Polar straps compatible with Android and straps for iPhone. It is important not to mix them up! I have this one.