Polar A360 vs. Withings Go vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
A360
Go
Vivofit 4
Vivosmart HR Plus
T-Rex
 PolarA360Remove Buy NowWithingsGoRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$80$79.95$179$140
Release20152016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days8 months1 year5 days20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution160 x 80n/a88 x 88160 x 68360 x 360
Size1.18 inchesn/aNA0.5 inches x 0.8 inches1.3 inches
Touchn/a
Typen/aE-InkNALCDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNABuild-in
Appsn/a
Music

All Wearables