Body Mass Index (BMI) is a value derived from a person's weight and height. The result of BMI measurement can give an idea about weather a person has correct weight for their height.
Android: https://play.google.com/store/apps/details?id=com.nividata.bmi_calculator
iOS: https://apps.apple.com/us/app/bmi-calculate-body-mass-index/id1488893444
