Google Calendar Period Tracker. But the simplest way to keep track of what’s going on with your body is just to create a. Flo, clue, stardust, period calendar, and period tracker (these earned the highest.

With over six million downloads on the google play store, it’s easy to see why period calendar ranks at the top of this list. My calendar period tracker is perfect if you’re looking for a simple, effective way to stay on top of your menstrual health.