Polar M600 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Polar Loop

 
M600
Flex 2
WSD-F20A
Access Sofie
Loop
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$100$399$395$100
Release20162016201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 day1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a320 x 320390 x 390 1.19 inchesNA
Size1.3 inchesn/a1.32 inchesNA
Touchn/an/aAMOLDED
TypeTFTLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables