We tested 10 popular fitness trackers, watching as they counted calories, gathered sleep data and clocked our steps to find the best. Two emerged as our favorites.

As a certified personal trainer, I tested 14 wearables over eight months while training, running and swimming. Here are the best fitness trackers and watches in 2025.

If your goal is to improve your general fitness level, look for a tracker that keeps tabs on basic stats like heart rate, step count, activity level and sleep. If your goals are tied to a specific ...

Here's what we uncovered. Update, July 8, 2025: We checked all product prices and availability. Our No. 1 pick for best fitness tracker remains unchanged. Best overall fitness tracker Garmin ...

Is 'Tracker' on tonight, June 22? Here's when 'Tracker' returns to CBS with new Season 3 episodes. 'Tracker' Season 3 premiere date, renewal status, and more.

The sleep tracker market has a lot of variety to choose from -- which can be overwhelming if you aren't sure where to start. Before you begin shopping for a sleep tracker, keep these features in mind.

Is 'Tracker' on tonight, July 6? Here's when 'Tracker' returns to CBS with new Season 3 episodes. 'Tracker' Season 3 premiere date, renewal status, and more.

What Are the Best Fitness Trackers Under $100? There are many factors to consider when choosing the best fitness tracker under $100 for you; below are the most important ones, which we considered ...

Best sleep tracker: Whoop Strap 4.0 Best minimalist sleep tracker: Oura Ring 3 This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better.