How does Lady Cycle work?

Lady Cycle determines your fertile period based on the most effective natural family planning method and allows you to track your physical and psychological well-being.

The method in Lady Cycle is based on the rules of the symptothermal method of the NFP workgroup. A large independent scientific study ranked Lady Cycle in the top five with a perfect accuracy score.



Lady Cycle determines the 3-6 highly fertile days in your cycle. Increase the chances to become pregnant within a few months.


Lady Cycle determines your infertile days based on the rules of the most effective method. This method is recommended by the German Association for Gynecology and Obstetrics.


Lady Cycle accompanies you during your pregnancy! Track the most relevant symptoms and show tem to your doctor.



The color of the butterfly indicates your fertility state in a discreet manner.

Cycle Sheet

Your temperature curve, cervical mucus observations and more can be found in the well-arranged cycle sheet.


Keep track of your cycle phases, your next ovulation, and your next period.

Entry Form

Enter your bodily observations and symptoms quickly and easily.


Learn more about yourself and get useful insights personalized for you.


Compare the course of your symptoms with your menstrual cycle phases.

Screen Shots

App Store Reviews

Download App!

Available on Google Play. Soon also in the App Store.

iPhone App

Do you want to get informed when our iPhone app will be released?