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 and its free cycle app 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 a temperature based cycle tracker, German made, Swiss designed, with the foundation of over four decades of pioneering research, innovation, and experience from our family run company.
Daysy cycle tracker distinguishes between non fertile and fertile days with an accuracy of over 99%.
Daysy requires no subscription, the cycle app is free. Daysy is not a simple period tracking App. Daysy tracks and predicts ovulation and fertility cycles accurately. Daysy uses a combination of basal body temperature readings and an advanced algorithm to provide personalized insights into a woman's menstrual cycle, helping users to understand their fertility status on a daily basis. Daysy is FSA eligible. We offer flexible payment options.
Daysy is the hormone-free solution for managing your fertility, cycles, and health. Daysy calculates when you are fertile and when you are not. Daysy supports you in empowered and informed decision-making.
Daysy is German-made, Swiss-designed, with the foundation of over three 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 requires no subscription, the app is free. Daysy is FSA eligible. Daysy has flexible payment options.
Daysy cycle tracker highlights:
Accurate Fertility Tracking: Daysy uses basal body temperature and an advanced algorithm to accurately predict fertile and non-fertile days.
Ease of Use: The device is simple to use with a straightforward daily routine of temperature measurement.
No Hormones: Daysy offers a natural alternative to hormonal methods, making it suitable for those who prefer non invasive methods.
Personalized Insights: The app provides individualized feedback and insights about your menstrual cycle, helping you understand your body's rhythms better.
Connectivity: Daysy syncs with its app, allowing you to easily track your cycle, view your fertility status, and access your data anytime.
Data Security: Your personal data is stored securely on the device, ensuring privacy and safety.
Educational Resources: The app provides educational information to help users learn more about their menstrual health and fertility.
Customer Support: Daysy offers comprehensive support through their customer service and community resources.
Only about 60 seconds per day!
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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.
Medical basics related to the female cycle
Every woman is different,
but there are some basic physiological facts about the woman's menstrual cycle that can be tracked by temperatur based cycle tracking:
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As a rule, every woman has only one ovulation per cycle.
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If two or more instances of ovulation occur, they take place within 24 hours.
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After ovulation, the ovum can be fertilized within 18 hours at the most.
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Sperm is able to move and fertilize in a woman's body for a maximum of 5 days.
This means that pregnancy can occur on 6 days of a cycle, i.e. 5 days before ovulation and on the day of ovulation itself. Daysy fertility tracker calculates these 6 days and much more..
How exactly does the Daysy fertility tracker work?
Daysy cycle tracker uses a proven algorithm and the morning measurement of your basal body temperature to calculate the daily menstrual cycle status in real time. Just measure your temperature under your tongue in the morning and enter your menstruation if you have it. Daysy will then display if you are in your fertile phase or not using red or green indicator lights.
The technology based temperature method used by Daysy is one of the most reliable methods in the world for fertility and cycle tracking.
In addition, Daysy records your menstrual cycle and ovulation history and the app "DaysyDay" displays your past and present cycle data. It is hardly easier to become aware of your body.
Daysy is a medical device and lifestyle fertility tracker. Daysy allows every woman who wants a health conscious lifestyle to monitor her individual monthly cycle and determine her fertile and non fertile days in natural harmony with her body.
* The independently reviewed result shows that Daysy cycle tracker has an overall accuracy of 99.4% in distinguishing between non fertile and fertile days.