Fitbit Flex 2 vs. Withings Pulse Ox vs. Casio WSD-F20A vs. Pebble Core vs. Polar Loop

 
Flex 2
Pulse Ox
WSD-F20A
Core
Loop
 FitbitFlex 2Remove Buy NowWithingsPulse OxRemove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$120$399$99$100
Release20162014201820162013

Activity & Fitness

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

Battery

Duration5 days2 weeks1 dayNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/ablue
Resolutionn/a128 x 32320 x 320NANA
Sizen/an/a1.32 inchesNANA
Touchn/aSwipeNA
TypeLEDOLEDLCDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables