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Period Calendar Period Tracker is a Health & Fitness app for recording menstrual cycles and reviewing patterns over time. It suits people with regular or irregular periods, as well as those monitoring fertile days, preparing for pregnancy, or keeping a personal health diary. The app is developed by Simple Design Ltd.
Use the calendar to log period dates, flow and cycle information, then view estimated menstruation, ovulation and fertility windows. Daily entries can include symptoms, moods, body temperature, weight, BMI, cervical mucus, sexual activity and personal notes. This gives you a running record rather than relying on memory when comparing one cycle with another.
Period Calendar includes notifications for upcoming periods, fertile days and ovulation. It also supports reminders for contraceptive methods such as pills, rings, patches and injections. Notification wording can be customized, which is useful if you prefer discreet alerts. Wear OS support adds period, ovulation, water-drinking and pill reminders through compatible tiles and complications.
With a 4.88 rating from more than 4.8 million reviews and 100,000,000+ installs, the app has a substantial history of use. Its main value is the combination of calendar predictions, flexible health logging and reminders in a single app. If you want a straightforward way to see cycle dates and add context around symptoms or fertility planning, it provides the essential tracking tools without requiring a separate diary.
