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Menstrual Cycle Tracker vs Period tracker, calendar Usage & Stats

Discover your body’s rhythm with a scientifically based fertility tracker designed to help you plan or avoid pregnancy naturally. Simply enter the first day of your last period, and the app predicts your next period, ovulation day, and the most fertile and least fertile days of your cycle. With Apple Health sync, your data stays automatically updated across all your Apple devices — so your fertility insights are always with you. * Scientifically Backed Methods * Our app includes two baby gender prediction methods: • Popular Method – a theoretical approach based on the well-known theory by Landrum Shettles, which suggests that the timing within the fertile window may influence the baby’s gender. • Scientific Method – a statistical, research-based approach developed by Rodrigo Guerrero, grounded in large-scale data from thousands of women. You can switch between them anytime in Settings. Please note: both methods provide probabilistic insights, not guaranteed results. * Full Version Features * Unlock deeper insights with the full version: • Daily pregnancy probability for any selected date. • Gender prediction probabilities for each fertile day. • Overall fertility chances during your current cycle. • Automatic Apple Health sync between devices. * How It Works * To create your personal fertility calendar, simply provide: • The first day of your last period. • Your average cycle length. • Your luteal phase length (default works for most users). Ideal for women with regular cycles — but also reliable for estimating ovulation using your average cycle length. * Empower Your Reproductive Journey * Whether you’re trying to conceive or prefer natural birth control, this app provides clarity, accuracy, and peace of mind — backed by science and made even smarter with Apple Health integration. Disclaimer: This app is intended for informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions related to contraception, fertility, or pregnancy. Accuracy may vary depending on individual factors.
  • Apple App Store
  • Free
  • Medical

Store Rank

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Period tracker, calendar is a convenient, easy and user-friendly app for control over menstrual cycles Main features: - Accurate predictions of period and ovulation, - Fertile (with high chance of pregnancy) and safe days calculator, - Convenient calendar with symptoms and period predictions, - Easy switching between cycle tracking and pregnancy planning modes based on your current needs, - Pregnancy planning mode with percentage probabilities of pregnancy, - Illustrative statistics for past period cycles, - Period, ovulation reminders, - Reminders for different types of birth control, - Pregnancy mode, - Helpful information and answers to frequently asked questions (FAQ), - Choice of theme colors, - Password personal data protection, - Data recovery on new device Period tracker will help you track your menstrual cycle, calculate ovulation days and will highlight fertile and safe days in the calendar. Period predictions are automatically updating based on data you enter providing high accuracy of period predictions even for women with irregular cycles. Intuitive and uncluttered interface lets you enter necessary data quickly and easily adjust the app as you see fit. All you have to do is answer a few short questions, and Period tracker will take care of the rest: it will make accurate predictions of period, calculate days of ovulation, highlight fertile and safe days with different colors in the calendar. It has never been easier to log periods and add symptoms: just a few clicks, and all the information on your condition is saved in Period tracker. You can easily switch between cycle tracking and pregnancy planning modes to get the most relevant information. If you get pregnant you will find our Pregnancy mode very useful: the application will estimate your due date (EDD), will number weeks of pregnancy and will keep all the important information for you and your obstetrician-gynecologist. Period tracker will also remind you of menstruation start and end, ovulation days as well as will notify you in case your period is late. You can set reminders for chosen type of birth control and won’t have to worry about forgetting or getting confused: the app will automatically take into account necessary contraceptive pill-free periods, will remind you about vaginal ring, etc. You can use a convenient calendar with menstrual period days highlighted in different colors depending on the phase of cycle to plan your vacations and trips faster. To make control over cycles even easier Period tracker graphically shows cycles statistics, representing cycle length and period length for each month in charts. Period tracker has a neutral icon for home screen, provides you an opportunity to password protect your personal data to make sure that only you have full access to the app. And to make sure you do not lose any data after changing your device Period tracker has a data recovery option for registered users.
  • Apple App Store
  • Free
  • Health & Fitness

Store Rank

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Menstrual Cycle Tracker vs. Period tracker, calendar ranking comparison

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Menstrual Cycle Tracker VS.
Period tracker, calendar

August 23, 2026