Daysy
Your personal fertility tracker

Daysy - your personal fertility tracker

Daysy empowers you!

Daysy is an intelligent fertility tracker that lets you get to know your very own menstrual cycle. Thanks to Daysy, you know exactly when you are in your fertile window and when you are not.

During your fertile window you can choose to plan a pregnancy, during your infertile phase you can not.

Daysy calculates your fertile window: Your fertility status will be displayed either as a red (you are fertile / possible fertile) or green (you are not fertile) light.

Daysy is an intelligent fertility tracker that lets you get to know your very own menstrual cycle. Thanks to Daysy, you know exactly when you are in your fertile window and when you are not.

During your fertile window you can choose to plan a pregnancy, during your infertile phase you can not.

As easy as 1, 2, 3 ...
Only about 60 seconds per day!
1
Every morning when you wake up, you measure your temperature under your tongue.
2
Enter if you have your menstruation.
3
Daysy evaluates your data and shows you if you are fertile or not.
What our customers say:
Daysy allows me to take control of my cycle. I can use Daysy and not have to worry about making errors the way I would with the calendar or mucus method alone. I can be confident that I am understanding my body well and being responsible with my future!
Anonymous
I would and already have recommend it, because I believe it is the best and healthiest way to know your body. :)
Michèle
I would say that Daysy is one of the most fantastic purchases I have ever made! It has taught me to listen to my body and its natural cycle rather than changing it with unnatural methods. I would most definitely recommend this product to my best friend, in fact, I have!
Natalie
You can count on Daysy!
  • Red = fertile / possibly fertile
    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.
  • Yellow = learning phase/cycle fluctuation
    On yellow days, Daysy becomes better acquainted with you.
  • 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.

Keep track with the Daysy app
Discover DaysyView!
Statistics & forecasts

Look at your predicted menstrual cycle calendar, temperature curve and menstrual cycle statistics.

Take notes

Track cervical mucus, intercourse, and your own notes about your cycle.

Contact our expert team

Easily reach out to our expert team if you need advice and support.

Medical basics related to the female cycle
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