Fitbit Surge vs. Polar M600 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop

 
Surge
M600
Flex 2
WSD-F20A
Loop
 FitbitSurgeRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$250$330$100$399$100
Release20162016201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a320 x 320NA
Size1.26 inches1.3 inchesn/a1.32 inchesNA
Touchn/an/a
TypeMonochrome LCDTFTLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OSNA
Apps
Music

All Wearables