Polar Loop 2 vs. Withings Go vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Instinct vs. Michael Kors Grayson

 
Loop 2
Go
Grayson
Flex
Instinct
Grayson
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$80$350$100$300$350
Release201520162018201320182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months24 hours5 days14 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NA128 x 128453x454
Sizen/an/a1.39 inchesNA0.9 inches1.39 inches
Touchn/aNA
TypeLEDE-InkAMOLEDLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATM10 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables