Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Garmin Chronos vs. Fitbit Charge 3 vs. Fitbit Flex

 
Charge 2
Vivosmart HR
Chronos
Charge 3
Flex
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowGarminChronosRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$170$1500$150$100
Release20162015201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a160 x 68218 x 21866 x 18NA
Sizen/a1.08 inches1.2 inches.721 inchesNA
Touchn/aNA
TypeOLEDn/aMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables