Periods: Cycle Tracker

Periods is a simple, clean period and cycle tracker. It's free and has no ads – and it always will. No subscription, no sign-up, no pop-up ads: just an app that follows your rhythm. KNOW WHERE YOU ARE • The Today tab shows your cycle day, when your next period is due and your fertile window at a glance. • Log that your period started with a single tap – the app fills in the rest of the days for you. FORECASTS FROM YOUR OWN HISTORY • The calendar shows your expected period, fertile window and estimated ovulation day. • Predictions learn from your own cycles: the more you log, the more accurate they get. • Keeps track of where you are, even when your period is late. OVULATION TEST? LOG IT • If an ovulation test tells you exactly when you ovulated, enter it – your fertile window and next period forecast adjust to it. PLAN WITH CONFIDENCE • Safe travel windows show when your period is…