Fitbit Flex 2 vs. Asus VivoWatch vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Fitbit Charge

 
Flex 2
VivoWatch
ZenWatch
Forerunner 235
Charge
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$160$150$299.99$130
Release20162018201420172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 daysNA9 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128320 x 320215 x 180NA
Sizen/aNA1.63 inches1.23 inchesNA
Touchn/aNA
TypeLEDNAAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP67IP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aKoodOSAndroid WearNA
Apps
Music

All Wearables