Samsung Mobile Press

Samsung and Natural Cycles Partner to Bring Advanced Temperature-Based Cycle Tracking to Galaxy Watch5 Series

February 14, 2023

Smartwatches featuring Natural Cycles’ fertility technology will be available to users in 32 countries across Europe, North America and Asia

SEOUL, Korea – February 14, 2023 – Samsung Electronics Co., Ltd. and Natural Cycles today announced a partnership to bring advanced temperature-based menstrual cycle tracking capabilities to the Galaxy Watch5 series – the first time Natural Cycles’ ground-breaking algorithm has been adapted for a smartwatch. This latest partnership combines Samsung’s superior sensor technology with Natural Cycles’ innovative fertility technology to give users more detailed insight into their menstrual cycle. 

Galaxy Watch5 users will be able to access advanced cycle tracking through the Cycle Tracking feature, which was recently approved by The Ministry of Food and Drug Safety (MFDS) of the Republic of Korea. The Cycle Tracking feature has also been registered with the Food and Drug Administration (FDA) and complies with CE Marking requirements.1 

“As a company that’s grounded in science and technology, we are excited to partner with Samsung to deliver a premium experience that pushes women’s health forward,” said Dr. Raoul Scherwitzl, co-founder and co-CEO of Natural Cycles. “The Natural Cycles app has helped millions of women around the world take control of their fertility and this partnership will allow Samsung to leverage our fertility technology to offer temperature-based cycle tracking through a smartwatch for the first time.”

Natural Cycles is committed to pioneering women’s health with research and passion, leading the development of innovative fertility technology. It developed the world’s first app that is powered by a proprietary algorithm that uses body temperature and other key fertility indicators to determine each user’s unique fertility status. Natural Cycles leverages its technology and algorithm to power the Cycle Tracking feature available on the Samsung Health app with the Galaxy Watch5 series. 

Samsung is leading the next era of digital health monitoring with its’ advanced sensor technology, including the ground-breaking BioActive Sensor. Furthermore, the new infrared temperature sensor enables users to get a more detailed overview by tracking skin temperature changes as well as their menstrual cycle. The temperature sensor uses infrared technology for more accurate readings, even if there is a temperature change in their surroundings or they move while sleeping. With all data encrypted and stored on the user’s device itself, it give users more control of their health data and better peace of mind.

“Consumers can now easily track their menstrual cycle right from their wrist, combining Natural Cycles’ innovative fertility technology with Samsung’s superior temperature sensor to provide a more holistic understanding of their health and wellbeing,” said Hon Pak, Vice President and Head of Digital Health Team, MX Business at Samsung Electronics. “This is another demonstration of Samsung’s open collaboration philosophy with other industry leaders to create better health experiences.”

The new skin temperature-based cycle tracking capabilities will be available through the Samsung Health app on the Galaxy Watch5 and Watch5 Pro within the second quarter in 32 markets, which includes Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Korea, Latvia, Lithuania, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, the U.K. and the U.S.  

To learn more about the Galaxy Watch5 and Galaxy Watch5 Pro please visit:
Galaxy Watch5:
Galaxy Watch5 Pro:

 1 In accordance to the EU Medical Device Regulation 2017/745.
* The Cycle Tracking feature of Samsung Health is not intended to be used as contraception.

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