ASUS ZenWatch 3 vs. Fitbit Flex vs. Jawbone UP3 vs. Jawbone UP4 vs. Amazfit T-Rex

 
ZenWatch 3
Flex
UP3
UP4
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$100$180$200$140
Release20172013201320152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days7 daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400NANANA360 x 360
Size1.39 inchesNANANA1.3 inches
TouchNANANA
TypeAMOLEDLEDNANAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNANA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANANABuild-in
Apps
MusicNANA

All Wearables