Polar Loop 2 vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Fitbit Flex vs. Pebble Core

 
Loop 2
WSD-F20A
Charge 3
Flex
Core
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$399$150$100$99
Release20152018201820132016

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 32066 x 18NANA
Sizen/a1.32 inches.721 inchesNANA
TouchNANA
TypeLEDLCDOLEDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANANA
Apps
Music

All Wearables