Your Fertility Tracker.

Buy Daysy

$320 or 4 payments of $80

Hormone
Free

Choose nature. All your own raw data translated for the life you want to lead using basal body temperature (BBT).

Conscious Choice

Ongoing fertility status and knowledge at your fingertips for taking deliberate actions.

Accurate & Reliable

Non invasive certainty - 99.4% accurate fertility tracking that translates what your body is telling you.

Family
Business

Four decades of expertise in fertility, conscious innovation and cutting edge electronics. It's in the blood.

Fertility 101

Your body is constantly providing signs and intelligence on what's going on inside. This is not new. Daysy marries ancient wisdom with modern technology through basal body temperature (BBT), so that you can be effortlessly fertility aware at every stage. By understanding and tracking your fertility phases, fertile or not fertile, choices can be made and informed decisions acted on.

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