Polar Loop 2 vs. Amazfit Cor vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
Loop 2
Cor
WSD-F20A
Flex
Core
 PolarLoop 2Remove Buy NowAmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$79.99$399$100$99
Release20152018201820132016

Activity & Fitness

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

Battery

Duration8 days (without notifications)12 days1 day5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160320 x 320NANA
Sizen/a1.23 inches1.32 inchesNANA
TouchNANA
TypeLEDIPS LCDLCDLEDNA

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 OSNANA
Apps
Music

All Wearables