Fitbit Ionic is the watch designed for your life. Find the guidance to reach your goals with dynamic workouts, built-in GPS, continuous heart-rate tracking, and more. Ionic: adidas edition also includes a unique adidas coaching experience, a signature band, and an exclusive clock face.

Fitbit Ionic has a better-than-most-smartwatches four-day battery life, while still having always-on heart rate and a comfy fit. It has features galore: waterproofing, GPS and on-wrist mobile payments, plus new watch faces and a growing app store.

Fitbit, in conjunction with the US Consumer Product Safety Commission (CPSC), announced a voluntary recall of Fitbit Ionic smartwatches, which the company introduced in 2017 and stopped producing in 2020. The battery in the Ionic smartwatch can overheat, posing a burn hazard.

Fitbit is a popular brand of wearable technology, mainly consisting of activity trackers. These devices are geared toward helping you improve your fitness and health lifestyles. They produce an array of devices that vary in price, function, and style.

Offering similar features to expensive alternatives such as the Apple Watch range and Wear OS watches, the Fitbit Ionic is a serious contender to be the smartwatch you choose to wear when you're out running or hitting the gym.

As a fitness smartwatch, the Fitbit Ionic is a solid choice - even more so than the Blaze, which didn't have built-in GPS. As a smart smartwatch, it still falls short, mostly due to the way it handles notifications, but also because of its nascent app support.

Easy to use, comfortable to wear, and jam-packed with health-tracking features, the Fitbit Charge 5 is our favorite fitness tracker. It's small enough to satisfy those who prefer the size of a fitness tracker over a smartwatch. Still, it has a screen large enough to comfortably swipe through your stats on the device.

Fitbit devices have been used in 900+ published studies, more than any other wearable, and is the most commonly used tracker in biomedical research. Fitbit devices are registered in clinical trial studies 10x more often than any other wearable brand and are used in 95 percent of NIH-funded research.

It's running Fitbit OS which is fitbit's own operating system this means the ionic can run third party apps. And it's launching with a few specific partner apps like Strava. And Starbucks and Pandora.

The best Fitbit devices are a great option if you want to get more active, train for a goal or simply move more throughout the day. The top Fitbit trackers monitor your sleep, track your steps, tell you how many calories you've burned, and offer tips for improvement.

Fitness tracker comparison

Easy to use, comfortable to wear, and jam-packed with health-tracking features, the Fitbit Charge 5 is our favorite fitness tracker. It's small enough to satisfy those who prefer the size of a fitness tracker over a smartwatch. Still, it has a screen large enough to comfortably swipe through your stats on the device.

Our Picks for the Best FitBit:

• Best Overall Fitbit: Fitbit Charge 5.
• Best Fitbit for Women: Fitbit Luxe.
• Best Fitbit for Men: Google Pixel Watch.
• Best Fitbit for Kids: Fitbit Ace 3.
• Best Fitbit for Sleep Tracking: Fitbit Versa 4.
• Best Fitbit for Runners: Fitbit Sense 2.
• Best Budget Fitbit: Fitbit Inspire 3.