What’s the difference between a period calculator and a fertility tracker?

Question

What&#8217;s the difference between a period calculator and a fertility tracker?

Accepted Answer

Period calculators focus on predicting menstrual timing using basic inputs like last period date and cycle length. Fertility trackers use comprehensive inputs including basal body temperature, cervical mucus, and hormone tests to identify fertile windows and confirm ovulation, making them more suitable for conception planning or natural contraception methods.