Asus VivoWatch vs. Fitbit Charge 3 vs. Fitbit Flex vs. Amazfit GTR vs. Apple Watch Ultra

 
VivoWatch
Charge 3
Flex
GTR
Watch Ultra
 AsusVivoWatchRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$160$150$100$199$799
Release20182018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours to 10 days7 days5 days24 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 12866 x 18NA454 x 454502x410 pixels
SizeNA.721 inchesNA1.39 inches1.92 inches
TouchNA
TypeNAOLEDLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemKoodOSNANABuild-inWatchOS 9
Apps
Music

All Wearables