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!.




DotDiary is described as 'A private period & cycle tracker for iPhone that keeps all your data in Apple Health — no account, no ads, no tracking, no subscription' and is a Period Tracker in the office & productivity category. There are six alternatives to DotDiary for a variety of platforms, including Android, iPhone, Apple Watch, Android Wear and F-Droid apps. The best DotDiary alternative is drip., which is both free and Open Source. Other great apps like DotDiary are Menstrudel, Simpluna, Flo Period & Ovulation Tracker and PeriodVol.
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.




Simpluna focuses on recording, checking, and predicting periods. There are no articles, advice, or ads.



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




A period tracker that estimates how much you actually bleed, in millilitres — not just when your period is.




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.



