Daysy displays your fertility status as a simple red (you are fertile / possibly fertile) or green (you are not fertile) light. Daysy is German-made, Swiss-designed, with the foundation of over 3 decades of pioneering research, innovation, and experience from a family-run company.
Daysy calculates the non-fertile days with an accuracy of more than 99%. –
Daysy – your personal fertility tracker
Daysy is the hormone-free solution for managing your fertility, cycles, and health.
Daysy supports you in empowered and informed decision-making.
As easy as 1, 2, 3 ...
Only about 60 seconds per day!
- Every morning when you wake up, you measure your temperature under your tongue.
- Enter if you have your menstruation.
- Daysy evaluates your data and shows you if you are fertile or not.
Daysy supports you in empowered and informed decision-making.
Daysy displays your fertility status as a simple red (you are fertile / possibly fertile) or green (you are not fertile) light. Daysy is German-made, Swiss-designed, with the foundation of over 3 decades of pioneering research, innovation, and experience from a family-run company.
Daysy calculates the non-fertile days with an accuracy of more than 99%. –
As easy as 1, 2, 3 ...
Only about 60 seconds per day!
- Every morning when you wake up, you measure your temperature under your tongue.
- Enter if you have your menstruation.
- Daysy evaluates your data and shows you if you are fertile or not.
You can count on Daysy!
Daysy uses an intelligent algorithm supported by scientific evidence, long-term experience, and well-engineered technology. Based on 5 million menstrual cycles and knowledge from more than 30 years of research, including several studies, Daysy fertility tracker calculates with precision your fertile and not fertile days each cycle.
You can start using Daysy on any day of your cycle. While your fertility status is displayed as a light on the Daysy device itself, you can gain further insight into your cycle, including predictions and history, by transferring that data via Bluetooth to the DaysyDay app.
Daysy’s algorithm is the same used by our Lady-Comp device for over three decades, the fertility tracker that kickstarted our parent company Valley Electronics.
Red = fertile / possibly fertile
On red days you can plan for a pregnancy.
On red days you can plan for a pregnancy.
Red flashing = predicted day of ovulation
Green = infertile days
You are not fertile on green days.
You are not fertile on green days.
Yellow = learning phase/cycle fluctuation
On yellow days, Daysy becomes better acquainted with you. If you want to avoid pregnancy, consider “yellow” days as “red” days.
On yellow days, Daysy becomes better acquainted with you. If you want to avoid pregnancy, consider “yellow” days as “red” days.
Red, green, yellow = possible pregnancy
You can rely on Daysy!
Daysy uses an intelligent algorithm supported by scientific evidence, long-term experience, and well-engineered technology. Based on 5 million menstrual cycles and knowledge from more than 30 years of research, including several studies, Daysy fertility tracker calculates with precision your fertile and not fertile days each cycle.
You can start using Daysy on any day of your cycle. While your fertility status is displayed as a light on the Daysy device itself, you can gain further insight into your cycle, including predictions and history, by transferring that data via Bluetooth to the DaysyDay app.
Daysy’s algorithm is the same used by our Lady-Comp device for over three decades, the fertility tracker that kickstarted our parent company Valley Electronics.
Red = fertile / possibly fertile
On red days you can plan for a pregnancy.
On red days you can plan for a pregnancy.
Red flashing = predicted day of ovulation
Green = infertile days
You are not fertile on green days.
You are not fertile on green days.
Yellow = learning phase/cycle fluctuation
On yellow days, Daysy becomes better acquainted with you. If you want to avoid pregnancy, consider “yellow” days as “red” days.
On yellow days, Daysy becomes better acquainted with you. If you want to avoid pregnancy, consider “yellow” days as “red” days.
Red, green, yellow = possible pregnancy
Keep track with the Daysy app
Download DaysyDay
Keep track with the Daysy app
Download DaysyDay
We are proud to have won one of the most renowned international design awards - the Red Dot Design Award 2019.
The coveted seal of quality for exceptional design is awarded only to products that impress with their outstanding appearance and concept. The Red Dot Award, with over 18.000 submissions, is one of the largest design competitions in the world. – – –
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– The Red Dot Award, with over 18.000 submissions, is one of the largest design competitions in the world. – – –
