Polar M400 vs. Polar M600 vs. Polar A360 vs. Polar Loop vs. Michael Kors Access Sofie HR

 
M400
M600
A360
Loop
Access Sofie HR
 PolarM400Remove Buy NowPolarM600Remove Buy NowPolarA360Remove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$330$200$100$395
Release20142016201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days12 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240160 x 80NA390 x 390
Sizen/a1.3 inches1.18 inchesNA1.19 inches
Touchn/a
Typen/aTFTn/aLEDOMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8WR302 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNAWear OS
Apps
Music

All Wearables