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

 
Cor
WSD-F20A
Flex
Core
Loop
 AmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$79.99$399$100$99$100
Release20182018201320162013

Activity & Fitness

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

Battery

Duration12 days1 day5 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution80 x 160320 x 320NANANA
Size1.23 inches1.32 inchesNANANA
TouchNANA
TypeIPS LCDLCDLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSNANANA
Apps
Music

All Wearables