A Galaxy A51, open to the Clue app tracking calendar, rests on a white leather chair.

Credit: Kaitlyn Cimino / Android Authority

Pull back the curtain with data that’ll benefit anyone menstruating. Period tracker apps take the guesswork out of getting your period, regardless of your plans. 

These days, period tracking apps let you record everything from flow length and heaviness to symptoms, ovulation, and even sex drive. As a health tool, these apps, and their corresponding data, are invaluable. We’ve rounded up the best period tracker apps to try, whether you’re trying to conceive or just trying to keep your pants clean.