Daysy - your personal fertility tracker
Daysy is the hormone-free solution for managing your fertility, cycles, and health. Daysy calculates when you are fertile and when you are not. On your fertile days, it is possible for you to conceive; outside of your fertile window, it is 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 our family-run company.
- Daysy distinguishes between non-fertile and fertile days with an accuracy of over 99%.
Daysy is the hormone-free solution for managing your fertility, cycles, and health. Daysy calculates when you are fertile and when you are not. On your fertile days, it is possible for you to conceive; outside of your fertile window, it is not. Daysy supports you in empowered and informed decision-making.
- Daysy is German-made, Swiss-designed, with the foundation of over 3 decades of pioneering research, innovation, and experience from our family-run company.
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Daysy distinguishes between non-fertile and fertile days with an accuracy of over 99%.
Only about 60 seconds per day!
![](https://dfxyyqidohkoi.cloudfront.net/static/img/asset/device/device-v2.png)
incl. VAT and Shipping Product available - Delivery time: 2-3 days*
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Red = fertile / possibly fertileOn red days you can plan for a pregnancy.
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Red flashing = predicted day of ovulation
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Green = non-fertile daysYou are not fertile on green days.
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Yellow = learning phase/cycle fluctuationOn yellow days, Daysy becomes better acquainted with you.
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Red, green, yellow = possible pregnancy
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.
Look at your predicted menstrual cycle calendar, temperature curve and menstrual cycle statistics.
Track cervical mucus, intercourse, and your own notes about your cycle.
Easily reach out to our expert team if you need advice and support.