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

 
ZenWatch 2
VivoWatch
Alta HR
Flex
Sense 2
 ASUSZenWatch 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$160$150$100$300
Release20162018201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a24 hours to 10 days7 days5 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 128128 x 36NA336x336
Size1.63 inches or 1.45 inchNA1.4 inchesNA1.59 inches
TouchNA
TypeAMOLEDNAOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP671 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearKoodOSNA
Apps
Music

All Wearables