Meet Tempdrop: a wearable device that serves as a fertility tracker, in conjunction with your smartphone. You just have to wear the device around your arm to start tracking your body temperature and sleep. When you are done, take it off and review the data on your smartphone. Tempdrop has an “open” design, which means you can use it with your favorite fertility apps on iPhone and Android.
You can use adhesive patches to get the most accurate readings with this. There are no wireless transmissions when you wear the device. Tempdrop has high-end electronic components to track Basal temperature fluctuations. The device monitors your sleep quality and learns personal temperature pattern during sleep for its predictions. Interested? You can support this on Indiegogo.