Fitbit One vs. Polar A360 vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
One
A360
WSD-F20A
Flex
Core
 FitbitOneRemove Buy NowPolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$200$399$100$99
Release20122015201820132016

Activity & Fitness

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

Battery

Duration10-14 days12 days1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 320NANA
Sizen/a1.18 inches1.32 inchesNANA
TouchNANA
TypeOLEDn/aLCDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR305 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables