Polar Loop 2 vs. Withings Go vs. Michael Kors Grayson vs. Fitbit Flex vs. Pebble Core vs. Michael Kors Grayson

 
Loop 2
Go
Grayson
Flex
Core
Grayson
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$80$350$100$99$350
Release201520162018201320162018

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months24 hours5 daysNA24 hours
Rechargeable

Compatibility

Androidn/a
iOSn/aNA
Windows Phonen/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
Touchn/aNANA
TypeLEDE-InkAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phonen/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATMNA1 ATM

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Appsn/a
Music

All Wearables