Polar M600 vs. Fitbit One vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
M600
One
WSD-F20A
Flex
Core
 PolarM600Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$330$100$399$100$99
Release20162012201820132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 days10-14 days1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 320NANA
Size1.3 inchesn/a1.32 inchesNANA
Touchn/aNANA
TypeTFTOLEDLCDLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast Resistant5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aWear OSNANA
Apps
Music

All Wearables