Fitbit Charge 6 v2
Apple Watch 2 v3

Device Details

Activity Features

Activity Tracking: Monitors steps, calories, distance, heart rate, sleep tracking, blood oxygen, stress tracking, GPS, energy levels, hydration and women’s health, body battery, readiness for workouts Tracks running, cycling, swimming, yoga, and other multi-sport tracking. Also has sports apps for workouts modes and guided exercises. Allows creating and customizing workouts.
Performance metrics: Provides VO2 max, training effect, and recovery time.
Maps: Includes preloaded topographic maps.
Notifications Displays notifications from your phone.
Water resistant: Yes

Activity Tracking: Monitors steps, calories, distance, heart rate, sleep, GPS, blood oxygen, fall detection. Supports a variety of workouts like running, cycling, yoga and swimming.
Temperature Sensor: Added on Series 8 and 9
Notifications: Displays notifications from your phone.
Water Resistant: Yes

Age

13+ years

N/A

Battery

Up to 7 days

Up to 18 hours

Brand

Fitbit

Apple

Continuous Glucose Monitoring (CGM) Compatible

No

Dexcom (G6 or G7)
Freestyle Libre 2 and 3

FSA/HSA Eligible

Possibly with Letter of Medical Necessity (LMN) or a health reimbursement arrangement (HRA)

No

Model

Charge 6

Series 6/7/8/9/10/SE (2nd Generation)

Phone

Yes

Yes

Price (USD)

$159.95

$169-$749