Ovoly Period Tracker

Nivyon Technology

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About this app

Track your menstrual cycle with ease using Period Calendar, your personal period and ovulation tracker. Monitor periods, fertility windows, ovulation days, and pregnancy chances—all in one simple app.

Whether your cycles are regular or irregular, Period Calendar helps you stay informed and prepared. Log daily symptoms, moods, weight, temperature, and more to better understand your body.

Period & Ovulation Tracking
Track menstrual cycles and upcoming periods
Predict ovulation dates and fertile windows
Accurate period calendar and cycle predictions
Track irregular or regular periods
Daily fertility tracking
Pregnancy Planning & Birth Control
Track fertile signs such as cervical mucus and ovulation symptoms
Monitor daily chances of conception
Helpful for pregnancy planning and natural birth control tracking
Reminders
Period reminders
Ovulation reminders
Fertility reminders
Birth control pill reminders
Supports reminders for pills, patch, ring, and injections
Health Tracking
Track symptoms and moods
Log body temperature
Track weight and BMI
Record intimacy and personal notes
Backup & Security
Secure backup and restore options
Restore data using your account or email
Keep your personal data safe
Wear OS Support

Use Wear OS complications and tiles for:

Period predictions
Ovulation tracking
Water reminders
Pill reminders
Why Choose Period Calendar?

Simple, accurate, and private—Period Calendar helps you understand your cycle, plan ahead, and stay healthy whether you're trying to conceive or managing birth control.