Is Daysy reliable and safe?

Yes, Daysy is a medical device with an accuracy of 99,4%

How soon can I trust Daysy's results?

You can trust Daysy's results starting directly from day one.

Daysy is for anyone who menstruates, whether you work shifts, are a mom, want to conceive, wish to prevent pregnancy, or are dealing with cycle-related issues like PCOS or endometriosis.

How long does the temperature measurement take?

The measurement takes just about 60 seconds a day. Simply take your basal temperature each morning after waking up to monitor your cycle.

Do I always have to measure my basal temperature at the same time?

No. What’s important is that you’ve rested for at least one hour and take your temperature immediately after waking, before getting up or moving around.

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Fertility Tracker – Natural Hormone-Free Ovulation Monitor & Fertility Awareness Device – Smart BBT Thermometer with App for Cycle Tracking, Conception, or Pregnancy Planning

Fertility Tracker – Natural Hormone-Free Ovulation Monitor & Fertility Awareness Device – Smart BBT Thermometer with App for Cycle Tracking, Conception, or Pregnancy Planning

4.4/5

Product ID: 137275356

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Details

Brand
Daysy
Special Feature
High Accuracy
Color
white
Age Range (Description)
Adult
Included Components
Daysy sensor
Outer Material
Plastic

📱Free app with smart cycle insights

🌡️99.4% accuracy BBT sensor

🇩🇪German engineering & Swiss design

Description

🌿 Own Your Cycle, Own Your Future — Smart Fertility, Simplified.

LEGACY OF INNOVATION - Benefit from over 40 years of research, crafted in Germany and designed in Switzerland for premium reliability.
HORMONE FREE NATURAL - Empower your family planning with a 100% hormone-free, non-invasive fertility monitor.
PRECISION YOU CAN TRUST - Achieve 99.4% accuracy in identifying fertile windows with advanced basal body temperature tracking.
INSTANT FERTILITY STATUS - Simple red/green LED indicator gives you clear, immediate insights—no guesswork needed.
CUTTING EDGE TECH NO SUBSCRIPTIONS - Enjoy lifetime access to a free app that delivers personalized cycle predictions using smart algorithms.

Daysy is a hormone-free, smart basal body temperature fertility tracker with 99.4% accuracy, featuring a free app for personalized cycle and conception planning. Designed in Switzerland and crafted in Germany, it offers instant fertility status via a simple LED indicator, empowering natural family planning without subscriptions.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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E£ 37825

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago