ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Fitbit Flex vs. Apple Watch Ultra

 
ZenWatch 2
ZenWatch 3
ZenWatch
Flex
Watch Ultra
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$229$150$100$799
Release20162017201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hoursNA5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400320 x 320NA502x410 pixels
Size1.63 inches or 1.45 inch1.39 inches1.63 inchesNA1.92 inches
TouchNA
TypeAMOLEDAMOLEDAMOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP551 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearAndroid Wear 2Android WearNAWatchOS 9
Apps
Music

All Wearables