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What is Tempdrop?

Tempdrop is a personalized user-specific thermometer that learns how each  woman’s minute, daily temperature variations correlate with her specific hormonal fluctuations throughout the ovulatory cycle. Tempdrop can identify recurring temperature patterns up to 5 days before ovulation with pioneering precision. This is used to predict and pinpoint ovulation both for getting pregnant and as a form of natural contraception.

Powered by our patented Active Temperature Noise Cancellation™ technology (ATNC), Tempdrop’s accuracy is achieved using multiple sensors and an algorithm developed by top engineers and doctors. Tempdrop is the most affordable and versatile power tool for tracking your fertility, turning every smartphone into a sophisticated fertility monitor.

Worn during sleep, Tempdrop saves women from having to wake up at the same time each morning, often before they’d prefer. Compatible with multiple fertility apps and running on a 6-month, easily replaceable single coin cell battery, Tempdrop is designed to be hassle-free.

How does Tempdrop work?

I'm trying to get pregnant. How can Tempdrop help me?

How is Tempdrop different from other basal thermometers?

What happens if I have PCOS?

Can I use and benefit from Tempdrop if I’m postpartum and getting up frequently during the night?


How do I sync the Tempdrop sensor to the app?

Which apps can I use with Tempdrop?

Does it matter what time I wake up?

Is Tempdrop safe?

How much data does Tempdrop hold?

What is the length of the armband?


I’m trying to sync Tempdrop data to the app but it is not initiating


Is there a warranty?