Period Calendar Period Tracker, an app for female users that tracks periods, cycles, ovulation, and chances of conceiving, developed by Simple Design Ltd. This is a great app to keep track of not just your period, but everything.

To begin with, the app can help track and predict the exact timing of your periods and provide information about your fertility window and potential ovulation dates. And except for basic menstrual cycle tracking, the app can be used to log temperature, intercourse, birth control, weight, cervical mucus, mood, and any other symptoms.

Next, this app is very friendly to female, especially for some pregnant women. The pill reminder feature in the app ensures you’ll never forget a dose again. Whether you need to remember to take medicines, supplements, birth control pills or injections, a pill tracker can remind you.

Last but not least, Not only is it the easiest period tracking app, but it also has enough security precautions to keep your own privacy and is your private auntie diary. Whether you’re pregnant, trying to conceive, or using birth control, it can make your life easier. You can even send period data to your doctor if necessary.

To sum up, the app is very practical. You can check your pregnancy odds every day, keep fit and lose weight every day, just like your private diary, you can also track your irregular menstruation. If you're looking for an app to track your period, you must try Period Calendar, it won’t let you disappointed. Accurately calculate the menstrual cycle, this is a must-have mobile application for every girl, and it also supports switching accounts to track different people’s menstrual periods.