Period Calendar Period Tracker is a free Android application developed by Accura LabApp that helps women keep track of their menstrual cycles. With this app, users can predict their periods, estimate their PMS, fertility, and ovulation, and log their period days, flow intensity, and menstrual products used.

One of the most useful features of this app is the ability to set up calendar reminders before the next period, ovulation, and PMS. Users can also check the number of days until their next period or the number of days late. The predictions are based on the user's menstrual history, and the more data records there are, the more accurate the predictions will be.

The app has a beautiful design with lovely decorations, which makes it feel light, feel-good, and mood-friendly. Additionally, the app guarantees 100% privacy, as no data will be collected from users.

Overall, Period Calendar Period Tracker is a reliable and accurate menstrual calendar for Android that helps women keep track of their cycles and manage their health. The app is easy to use and provides valuable insights into the user's menstrual history.