https://www.cnet.com/news/amazon-prime-day-2018-smartwatches-fitness-trackers-best-deals/ > Disclaimer: CNET may get a share of revenue from the sale of the products featured on this page.    > Fitbit Alta HR ($90): The Alta HR is the best all-around fitness tracker for most people and an incredible deal at $60 off. The Alta HR has a slim and stylish design with 7-day battery life, and all-day fitness and heart rate tracking capabilities. Read the CNET Fitbit Alta HR review.