Fitbit Air vs Fitbit Charge 6 — which top-performing Fitness tracker wins?

Close-up of the Fitbit Air and Fitbit Charge 6 on a user's wrist against a blue background
(Image credit: Dan Bracaglia/Tom's Guide)

The Fitbit Air and Fitbit Charge 6 are two of the best fitness trackers in 2026. But is one better than the other? That truly depends on your budget, the number of smart features, and the type of user experience you desire.

To help you better understand the differences between 2023's Fitbit Charge 6 and 2026's Fitbit Air, I've compared the two across five categories, including cost, design, health and fitness tracking features, smart features, and battery life.

Fitbit Air vs Fitbit Charge 6: Specs compared

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Fitbit Air vs Fitbit Charge 6
Header Cell - Column 0

Fitbit Air

Fitbit Charge 6

Price

$99

$159

Launch date

May, 2026

Sept, 2023

Compatibility

Android, iOS

Android, iOS

Dimensions

34.9 x 17 x 8.9 mm

11.4 x 22.9 x 10.2 mm

Weight w/ strap

12 g

15 g

Display

n/a

1.04-inch AMOLED

Sensors

Heart rate, SpO2, Skin temp, Accelerometer, Gyroscope

Heart rate, SpO2, ECG, Skin temp, Accelerometer, Gyroscope, NFC

GPS

No

Yes

Battery life

Up to 7 days

Up to 6 days

Water resistance

50 meters

50 meters

Fitbit Air vs Fitbit Charge 6: Cost

run settings on the Fitbit Charge 6

(Image credit: Tom's Guide)

The newer Fitbit Air is $99, while 2023's Fitbit Charge 6 is $159. However, the latter goes on sale frequently. For example, you can pick up the Charge 6 right now for just $99 via Amazon. That said, the Fitbit Air is consistently cheaper than the Charge 6, so it wins this category.

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Winner: Fitbit Air

Fitbit Air vs Fitbit Charge 6: design

Close-up of the Fitbit Air

(Image credit: Dan Bracaglia/Tom's Guide)

Both fitness trackers are lightweight, comfortable wearables with modest footprints. While the Fitbit Air is screen-free and button-free, providing a no-distractions health and fitness tracking experience, the Charge 6 offers a small 1.04-inch AMOLED touchscreen and haptic side buttons.

Does this make the Charge 6 a better tracker than the Air? That depends on whether you prefer a more-connected device capable of mirroring phone notifications and displaying stats, or one designed with a set-it-and-forget-it mentality.

Either way, the Charge 6 and Air each proved to be well-built in our testing, with respectable water resistance ratings of 50 meters. The Air is, of course, a bit more understated due to the lack of a screen; it's also a bit smaller. These factors don't necessarily make it a better-designed device, though.

Winner: draw

Fitbit Air vs Charge 6: Health and fitness tracking

Close-up showing the back of the Fitbit Charge 6

(Image credit: Dan Bracaglia/Tom's Guide)

The Fitbit Air proved to be a competent fitness tracker when pitted head-to-head against other popular wearables, like versus the Fitbit Inspire 3. However, it lacks onboard GPS, so you need to carry your paired phone to ensure metrics like distance, pace, and elevation gain are recorded accurately.

Not a fan of jogging with a bulky smartphone in your pocket? I feel you. In that case, the GPS-sporting Fitbit Charge 6 is going to be the better tracker for you.

The Charge 6 has other advantages over the Fitbit Air, most notably, the ability to record ECGs. When it comes to tracking workouts, both devices support over 40 modes with automatic detection and tracking for basic workouts like walks, runs, and bike rides.

Of course, thanks to its screen, users can manually start a workout on the Charge 6 with just a few taps, while Fitbit Air users will need to make a trip to the Google Health app on their paired phone.

Winner: Fitbit Charge 6

Fitbit Air vs Fitbit Charge 6: Smart features

a photo of the Fitbit Charge 6

(Image credit: Fitbit)

This one isn't even close. When it comes to support for smart features, the Fitbit Charge 6 blows the Fitbit Air out of the water. However, the Charge 6 doesn't offer anywhere near the level of smarts you'll get from the best smartwatch models in 2026, like the Apple Watch Series 11 or Google Pixel Watch 4.

Still, the Charge 6 has NFC, so you can tap-to-pay using Google Wallet. It also supports a small selection of handy Google apps, like Google Maps and YouTube Music. There's no onboard music storage, but you can control media playback from your paired device.

The Charge 6 additionally mirrors smartphone notifications for both Android and iOS users.

Winner: Fitbit Charge 6

Fitbit Air vs Fitbit Charge 6: Battery life

Close-up of the sensors on the Fitbit Air fitness tracker on the special edition Stephen Curry strap

(Image credit: Dan Bracaglia)

The Fitbit Charge 6 is rated to last up to six days per charge on average, while the Fitbit Air is billed for up to seven days per charge. In my testing, both ratings proved accurate, making the Fitbit Air the winner of this category.

Winner: Fitbit Air

Verdict

Close-up of the Fitbit Air on-wrist on a red strap against a blue background

(Image credit: Dan Bracaglia/Tom's Guide)

When choosing between the Fitbit Air and the Fitbit Charge 6, the ultimate question to ask yourself is, "Do I want a screen-free and distraction-free fitness tracker or a more connected device?"

Put another way, the Fitbit Air is a wearable that you simply, well, wear and let it do its thing; the Charge 6 is one you interact with via a small touchscreen and haptic buttons.

Both are reliable, comfortable, and long-lasting. Of course, the Charge 6 has the advantage of onboard GPS, which is why I ultimately prefer it to the Air, along with NFC. But if you're not big on outdoor workouts or using tap-to-pay from this wrist, this may not matter much to you.

Overall winner: Draw


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Dan Bracaglia
Senior Writer, Fitness & Wearables

Dan Bracaglia is the Tom’s Guide editorial lead for all things smartwatches, fitness trackers and outdoor gear. With 15 years of experience as a consumer technology journalist testing everything from Oura Rings to instant cameras, Dan is deeply passionate about helping readers save money and make informed purchasing decisions. In the past year alone, Dan has assessed major product releases from the likes of Apple, Garmin, Google, Samsung, Polar and many others. 

An avid outdoor adventurer, Dan is based in the U.S. Pacific Northwest where he takes advantage of the beautiful surroundings every chance he gets. A lover of kayaking, hiking, swimming, biking, snowboarding and exploring, he also makes every effort to combine his day job with his passions. When not assessing the sleep tracking and heart rate accuracy of the latest tach gadgets, you can find him photographing Seattle’s vibrant underground music community.

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