Garmin Fenix 8 v2
Fitbit Ace LTE v2

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. Tracks running, cycling, swimming, yoga, and more. Also has sports apps for workouts modes and guided exercises.
Performance metrics: Provides VO2 max, training effect, and recovery time.
Maps: Preloaded topographical maps for navigation.
Water resistant: Yes

Activity Tracking: Monitors steps, active minutes, sleep and distance. Tracks activities like running, biking, and sports. Has goal setting where kids can set daily step and activity goals. Movement reminder to encourage kids to stay active.
Family account: Parents can manage and view their child's activity.
Water resistant: Yes

Age

13+ years or 22+ years for ECG app (only available in some regions)

7+ years

Battery

Up to 10 days

Up to 16+ hours

Brand

Garmin

Fitbit

Continuous Glucose Monitoring (CGM) Compatible

Dexcom (G6 or G7)
Freestyle Libre 

No

FSA/HSA Eligible

Possibly with Letter of Medical Necessity (LMN)

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

Model

Fenix 8

Ace LTE

Phone

Yes

Yes

Price (USD)

From $1,000.00

$229.95