You can count on Daysy!

Why is Daysy fertility tracking so reliable?

Due to an intelligent algorithm based on scientific evidence, long-term experience, and well-engineered technology, Daysy provides highest quality, reliability, and precision in terms of fertility tracking.

Daysy determines your fertile and infertile phases using an extensive database and proprietary algorithm. Based on 5 million menstrual cycles and an algorithm that draws on knowledge from more than 30 years of research, including several studies, Daysy fertility tracker can give you reliable information about your menstrual cycle and fertility.

You can start your temperature measurement with Daysy fertility tracker on any day of your cycle. Our customers appreciate the fact that measurement and the menstrual cycle indicators can be seen independently of smartphone integration. Connecting to your smartphone is relevant for details and special features, e.g. if you want to display your menstrual cycle history or share it with your partner or doctor.

Daysy’s fertility tracking algorithm, which is also used by the well-known Lady-Comp fertility menstrual cycle tracker of the parent company, has proven its reliability for more than 3 decades. Join the Daysy family and see how exciting it is to get to know your body better with Daysy fertility tracker!