Period and Ovulation Tracker Lilly is a menstrual cycle tracker app for all women by SMSROBOT LTD.

It predicts your menstruation, fertility, and ovulation days with high accuracy. When you're tracking your cycle, you have complete control and can stop and restart the activity at any time. 

You'll receive reminders for your next period, ovulation, and fertile days to help you get prepared and stay healthy. You can also track BBT, analyze and chart your cycle, and set up your own menstrual calendar. 

If you're trying to avoid or conceive with your partner, this app will tell you which days are safe for you to get pregnant.