Clue Period Tracker, Ovulation & Cycle Calendar

Clue is more than a period tracker – it's an accurate menstrual calendar, ovulation app and fertility tracker that helps you make sense of your menstrual cycle. Get predictions and set calendar reminders for your period, track and find patterns in your symptoms, and manage your menstrual health with an app that isn't pink or full of ads. 4. 8 out of 5 stars on Google Play.