Period Calendar Period Tracker

Period Calendar is a comprehensive period tracker and ovulation tracker designed to help you monitor your menstrual cycles, predict your period, ovulation, and fertile window, and track your chance of getting pregnant. With a rating of 4.9 and trusted by over 300 million users in 63 countries, it's a reliable tool for women's health.

Whether you have irregular or regular periods, this app helps you keep track of your menstrual flow, cervical mucus, BMI, sexual activity, weight, temperature, symptoms, and moods. It serves as a personal period diary and offers accurate predictions for menstruation and ovulation. It's useful for both women trying to conceive and those seeking birth control.

The app includes a pill reminder with customizable discreet notifications, fertility tracker, ovulation calculator, and pregnancy odds. You can track symptoms and moods, monitor intimacy, and use body temperature charts to determine ovulation. Data backup and restore via Google account ensures you never lose your data, and multi-account support with security protections keeps your information safe.

With support for Wear OS complications and tiles, you can access period and ovulation predictions, water drinking reminders, and pill reminders directly from your smartwatch. No account creation or real-name registration is required, and you can use all features anonymously. Your data security is paramount, and you can delete all data with one click whenever you want. We don't collect or store any of your data.