Period Calendar has these features;

- You can keep track of your previous, current and future periods both visually and as a list.
- You can set alarms for your peroids.
- Observe your pregnancy chances daily.
- Take personal notes inside app about your peroids.

BONUS: You can check out your baby's zodiac in case you get pregnant. This feature works on daily basis and gives possible zodiacs every each day.

Disclaimer: This app cannot be used to prevent pregnancy. Pregnancy rates given in the app are based on average values. This app cannot be held responsible for its usage and intended to be used on entertainment purposes only.