ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Fitbit Charge HR

 
ZenWatch 2
Flex 2
VivoWatch
Alta HR
Charge HR
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$100$160$150$150
Release20162016201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days24 hours to 10 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a128 x 128128 x 36NA
Size1.63 inches or 1.45 inchn/aNA1.4 inchesNA
Touchn/aNA
TypeAMOLEDLEDNAOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATMIP671 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aKoodOSNA
Apps
Music

All Wearables