Partnerships with Natural Cycles for fertility and cycle tracking, with top-tier sleep and heart rate accuracy, make this a top choice. AppleWatch Series 10 – Best fitness-tracking ...
The Apple Watch Series 8 represents a relatively big upgrade for the series, bringing with it new fitness-tracking features, new sensors, and better battery-saving features. The device does not ...
But if you have an irregular period, you'd need to take an ovulation test and input the results for a truly accurate reading... which is kinda annoying. The Fitbit also can't track pregnancy —some ...