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Wearable comparison / Fitbit / Google Fitbit Air
FITBIT

Google Fitbit Air

ArmbandBudgetreleased 2026

Key specs

Price
$99indicative US list price
Battery
7 d7 days, a five-minute charge gives a day
Display
No display
Water resistance
5ATM / 50m (swim)
GPS
None
Weight
12 g
Case size
34.9 x 17 x 8.3 mm
Works with
iOS + Android
Subscription
Not required · Google Health Premiumnot required, three months included, gates AI coaching only
not confirmed: VO2max: sources disagree, so it is left off, sleep efficiency taken from the shared Fitbit platform

What it tracks

Heart & vitals

Resting heart rateConsumer
HRVConsumer
Blood oxygen (SpO2)Consumer
Respiratory rateConsumer
Skin temperatureConsumer
AFib detectionClinical grade

Sleep

Sleep durationConsumer
Sleep stagesConsumer
Sleep scoreConsumer

Activity

StepsConsumer
Active minutesConsumer
CaloriesConsumer
WorkoutsConsumer
Distancetracked

Fitness

Training loadtracked
Recovery / readinesstracked
Screening, not a medical diagnosis. This device offers AFib detection, SpO2. These are wellness screening features, not a substitute for a clinical evaluation.

Sources

https://blog.google/products-and-platforms/devices/fitbit/fitbit-air/
https://www.dcrainmaker.com/2026/05/fitbit-air-whoop-competitor-everything-details.html
https://support.google.com/fitbit/answer/14236509
If you want to go deeper

Turn any of these wearables into daily health scores

MyBodyAI reads the signals from your device and builds daily recovery, sleep, load and immune scores, a biological age estimate, and early warnings. Optional, and separate from this comparison.

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