Polar A360 vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
A360
Loop 2
Access Sofie
Vivosmart 4
GTR
 PolarA360Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$120$395$130$199
Release20152015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days8 days (without notifications)1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80n/a390 x 390 1.19 inches48 x 128454 x 454
Size1.18 inchesn/a0.74 inches1.39 inches
TouchAMOLDED
Typen/aLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables