you can buy the Fitbit Inspire 3 for $80 at Amazon, saving you 20% or $20 off the usual price of $100. One of the best value Fitbit deals around, the Fitbit Inspire 3 is perfect for helping ...
BestFitbit smartwatch: This advanced fitness watch has built-in GPS and can track everything from your activity and workouts to stress and your sleep. Our Fitbit Sense 2 review praised its ...
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 ...