Fitbit Charge vs Fitbit Flex

Design:

Fitbit Charge
Design

Fitbit Flex
Design

Specifications:

"

Screen Size

"

Touch Screen

Resolution

g

Weight

g
10

Waterproof

10
113℃

Max Temperature

45℃
-4℃

Min Temperature

-20℃

Replaceable Band

mm

Band Width

mm

Screen protection

168h

Battery Life

144h
h

Charging Time

h

Fitbit Charge
Specifications

Fitbit Flex
Specifications

Activity Tracking:

GPS Tracking

Route Tracking

Heart Rate Monitoring

Blood Oxygenation

Activity Detection

Distance Tracking

Step Tracking

Elevation Tracking

Bike Ccadence Monitoring

Sleep Tracking

Calories Intake Tracking

Calories Burned Tracking

Weight Tracking

Water Intake Tracking

Body Temperature

Sport Activities Tracking

Fitbit Charge
Activity Tracking:

Fitbit Flex
Activity Tracking:

Compatibility & Connectivity

Android Compatibilty

IOS Compatibilty

Mac OS Compatibility

Syncs Wirelessly

Automatic Syncing

Wi-Fi Module

Cellular Module

Call Control

Sport Activities Tracking

Camera Remote Control

Fitbit Charge
Compatibility & Connectivity

Fitbit Flex
Compatibility & Connectivity

Bottom Line

Fitbit Charge Pros

Fitbit Flex Pros

Fitbit Charge Cones

Fitbit Flex Cones