Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Flex 2
Forerunner 935
Grayson
Alta HR
Charge 3
Grayson
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$500$350$150$150$350
Release201620172018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks24 hours7 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240453 x 454128 x 3666 x 18453x454
Sizen/a1.2 inches1.39 inches1.4 inches.721 inches1.39 inches
Touchn/a
TypeLEDLCDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables