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9 Best Prime Day Fitness Tracker Deals and Smart Ring Sales (2025)

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In the northern hemisphere, it's hard to not spend the winter in a state of slumbering sloth, just waiting for sunshine and good times to start again. Conveniently, Prime Day fitness tracker deals (all four days of them) drop right in the middle of summer, which makes this a great time to pick up the smartwatch or smart ring that you just didn't have the cash for at Christmas.

This year, you have four whole days to shop the Amazon deals, but if you don't want to take that much time, I've highlighted the sales on some of our favorite fitness trackers and smart rings. Not a subscriber yet? Perhaps our list of the best Amazon Prime Perks can convince you to sign up. Deal hunters should also check out our Best Amazon Prime Day Deals roundup and Prime Day liveblog.

WIRED Featured Deals

Fitness Tracker Deals

The Best Smart Ring

As you might expect with my job, I am frequently asked what fitness tracker to get, and this year, more often than not, I have told people to just buy an Oura Ring 4 (9/10, WIRED Recommends) . You don't have to wear it on your wrist, the battery life is longer than most trackers, and Oura issues interesting, meaningful software updates regularly. This is the first time it's gone on sale, and you should get it.

The Best Fitness Tracker

Fitbit has faced pretty stiff competition over the years (most notably from the Apple Watch), but its flagship Charge line is still the best overall fitness tracker for the money. Even tracking multiple activities a day, the battery lasts over a week. The updated app looks great, and multiple Google integrations make the Fitbit Charge 6 (7/10, WIRED Recommends) easier to use than ever.

The Best If You Have an iPhone

The Apple Watch Series 10 is the best fitness tracker for iPhone users. It still doesn't have blood oxygen sensing due to a patent dispute, but it's otherwise a solid fitness tracker. The standout feature is sleep apnea notifications. The watch uses an accelerometer and machine learning to check if you have breathing disturbances at night. The Series 10 is also thinner, lighter, easier to wear, and charges faster than previous models.

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