Polar M600 vs. Fitbit Flex 2 vs. Xiaomi Mi Band 2 vs. Casio WSD-F20A vs. Polar Loop

 
M600
Flex 2
Mi Band 2
WSD-F20A
Loop
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowXiaomiMi Band 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$100$23$399$100
Release20162016201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days5 days20 hours1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a320 x 320NA
Size1.3 inchesn/a0.42 inches1.32 inchesNA
Touchn/an/a
TypeTFTLEDOLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIP675 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aWear OSNA
Apps
Music

All Wearables