The best fitness trackers can help you achieve your health goals and improve your overall well-being. These Spy Kids-esque wearables can keep tabs on just about every aspect of your health: sleep, recovery, blood oxygen levels and respiratory rates; some can even track electrical activity of the heart (known as ECG). As a certified perso nal trainer and weightlifter, I used my expertise to test 14 of the best fitness trackers for this guide. The Garmin Venu 3 won me over as best fitness tracker overall, and I found several others worthy of praise. For beginners looking to track their workouts in a seamless and manageable way, I recommend the Fitbit Charge . If you’re just starting out with a regular exercise program, the last thing you want to do is complicate your routine by introducing an elaborate fitness tracker. The Charge is the brand’s latest iteration in its Charge ser ies. Of the trackers I tested, it was the simplest to use while off ering a surprising level of versatility and accuracy, given its basic design. While testing, I assessed each tracker for accuracy, comfort, ease of use a nd customizable options. Since these devices are highly personal, the best fitne ss tracker for you will depend on your needs, training goals and individual preferences. That’s why I included a variety of options—everything from a running-specific tracker to the b est Apple Watch—so you can find something on this list that works for you. I’ve tested several top pic ks over the past few months to see how they’ve held up over time.For more on how to make the most of these wearabl es, conection my guide to how to use a fitness tracker.