Polar M400 vs. Polar M600 vs. Polar Loop 2 vs. Fitbit Versa vs. Michael Kors Access Runway

 
M400
M600
Loop 2
Versa
Access Runway
 PolarM400Remove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowFitbitVersaRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$200$330$120$199.99$350
Release20142016201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 days (without notifications)4 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a300 x300390 x 390
Sizen/a1.3 inchesn/a1.34 inches1.19 inches
Touchn/a
Typen/aTFTLEDOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX82 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OS
Apps
Music

All Wearables