Polar M600 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop vs. Apple Watch Series 5

 
M600
Flex 2
WSD-F20A
Loop
Watch Series 5
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$330$100$399$100$329
Release20162016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 day5 daysNot Yet
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 320NA384 x 480
Size1.3 inchesn/a1.32 inchesNA1.78 Inches
Touchn/an/a
TypeTFTLEDLCDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSNAWatchOS 5
Apps
Music

All Wearables