Pebble Classic vs. Polar Loop 2 vs. Withings Go vs. Casio WSD-F20A vs. Fitbit Flex

 
Classic
Loop 2
Go
WSD-F20A
Flex
 PebbleClassicRemove Buy NowPolarLoop 2Remove Buy NowWithingsGoRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$99$120$80$399$100
Release20132015201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days8 days (without notifications)8 months1 day5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/aNA
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a320 x 320NA
Size1.26 inchesn/an/a1.32 inchesNA
Touchn/aNA
Typee-paperLEDE-InkLCDLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/aWear OSNA
Appsn/a
Music

All Wearables