A menstrual cycle tracking app that's open-source and leaves your data on your phone. Use it to track your menstrual cycle and/or for fertility awareness!.




Periodical is not available for iPhone but there are plenty of alternatives with similar functionality. The best iPhone alternative is drip., which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Periodical and many of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to Periodical are Menstrudel, Tyd, Euki and Period Tracker.
A menstrual cycle tracking app that's open-source and leaves your data on your phone. Use it to track your menstrual cycle and/or for fertility awareness!.




Menstrudel is a simple, private, and intuitive mobile application built with Flutter to help you manage your menstrual health. Log your period dates, record symptoms, and track flow intensity with ease.




Tyd lets you track your period while keeping your data private. Tyd will never collect or sell your data, require you to log in, show you ads, or sell you a subscription. Plus, it has unique features, like a timer that notifies you when it's time to change your tampon, and...



Euki helps you get answers that you can trust without making assumptions about who you are, what you do or don’t already know, or how you identify.




Period Tracker for iOS, Android and WindowsPhone Period Tracker is the simple way to keep track for women. Includes features to track symptoms, moods, notes, weight, and even temperature. Complete with charts, calendar, email backup and restore, passcode and many...




Accurate tracking for cycles, PMS, fertility, and ovulation prediction, plus pregnancy monitoring and lifestyle reminders. Built-in insights and community support.




Period Dates is the perfect companion for individual females, providing a user-friendly app to track period dates and essential information.




Keep track of your menstrual cycles with Period Calendar. It tracks your periods, cycles, ovulation and the chance of conception. Period tracker helps both women looking to conceive and those trying to birth control.




Staying on top of your cycle has never been easier or more fun with Spot On – a birth control and period tracker powered by Planned Parenthood.




Eve by Glow is a savvy health & sex app for women who want to take control of their sex lives. Eve helps women figure out tackle many different dimensions of their health: birth control & contraception, ovulation & fertility, menstruation, cycle symptoms and trends.




Are your moods related to your menstrual cycle? Just track in your period diary what you’d like to know more about, and Clue takes care of the rest. The period tracker you’ve been waiting for: Now You Know.




Extremely elegant application that helps and assists women to keep track of period, cycle, ovulation and the chance of pregnancy(fertile days).



