Polar Loop 2 vs. Basis Peak vs. Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Loop 2
Peak
Grayson
Flex
Watch Series 4
Grayson
 PolarLoop 2Remove Buy NowBasisPeakRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$200$350$100$329$350
Release201520142018201320182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)4 days24 hours5 daysNot Yet24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144453 x 454NA384 x 480453x454
Sizen/a1.25 inches1.39 inchesNA1.78 inches1.39 inches
TouchNA
TypeLEDLCDAMOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid WearNAWatch OS 5Android Wear
Apps
Music

All Wearables