Currently, the only wearables Natural Cycles integrates with are the Oura Ring and the Apple Watch.
While we do aim to add additional wearables, given that Natural Cycles is regulated as a medical device by the FDA in the US and CE marked in Europe, we’re held to very high standards of quality and testing before our products reach our users.
Since the Natural Cycles algorithm needs high-quality temperature data collection, our team conducts clinical studies to make sure all measuring devices the NC° app integrates with are thoroughly tested.
Any other wearables are not intended to be used with Natural Cycles. This means that you should not manually log temperature data that was extracted from other wearables (such as Tempdrop or Fitbit).
If you’re interested in the clinical studies around using Natural Cycles with wearables, we published research articles about the science and testing behind it: