The program is simple Body Mass Index (BMI) calculator. Please remember BMI is not 100% accurate. Polar BMI Pro is the add free version of the program. This version on Android and iOS has been updated for use on individuals of all ages. BMI is just a guideline; athletes have different BMI ranges due to either age or muscle development.
If there are any issues with either the Android or iOS version of the program, please e-mail support at polarcomputer.net. We will respond as soon as possible.