period tracker that doesn’t sell data

menstrual cycle calculator :

How it works?

in the second column , in each row you enter the first day in which you have your period , then it will calculate

Cycle Length (in days)

Ovulation Date

THE NEXT ESTIMATED PERIOD DATE

Fertility Window Start

Fertility Window End

also you’ll get a visualization about your cycle length to see if it’s organized or not

for the second sheet
you have four phase of the menstrual cycle in each phase you’ll pick the symptoms that you feel during the cycle