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

 
Flex 2
ZenWatch
Alta HR
Charge
Vivosmart HR Plus
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$100$150$150$130$179
Release20162014201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320128 x 36NA160 x 68
Sizen/a1.63 inches1.4 inchesNA0.5 inches x 0.8 inches
Touchn/aNA
TypeLEDAMOLEDOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANA
Apps
Music

All Wearables