Polar M600 vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Charge vs. Polar Loop

 
M600
Watch
WSD-F20A
Charge
Loop
 PolarM600Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$349$399$130$100
Release20162015201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours1 day7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312320 x 320NANA
Size1.3 inches1.5 inches or 1.65 inches1.32 inchesNANA
Touchn/aNA
TypeTFTAMOLEDLCDOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IPX75 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWatch OSWear OSNANA
Apps
Music

All Wearables