Fitbit Charge 2 vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Charge 2
Flex 2
Loop 2
Watch Series 2
Grayson
Grayson
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$100$120$269$350$350
Release201620162015201620182018

Activity & Fitness

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

Battery

Duration5 days5 days8 days (without notifications)18 hours24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a340 x 272 or 390 x 312453 x 454453x454
Sizen/an/an/a1.5 inches or 1.65 inches1.39 inches1.39 inches
Touchn/an/a
TypeOLEDLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM2 ATM5ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSAndroid WearAndroid Wear
Apps
Music

All Wearables