Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Asus ZenWatch vs. Fitbit Charge HR vs. Fitbit Flex

 
Flex 2
Vivosmart HR
ZenWatch
Charge HR
Flex
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$170$150$150$100
Release20162015201420152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68320 x 320NANA
Sizen/a1.08 inches1.63 inchesNANA
Touchn/aNANA
TypeLEDn/aAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP551 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNANA
Apps
Music

All Wearables