Fitbit Charge 2 vs. Misfit Flash Link vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Polar A370 vs. Michael Kors Grayson

 
Charge 2
Flash Link
Grayson
Vivofit 4
A370
Grayson
 FitbitCharge 2Remove Buy NowMisfitFlash LinkRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$20$350$79.95$179.95$350
Release201620152018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months24 hours1 yearUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 45488 x 88160 x 80453x454
Sizen/an/a1.39 inchesNA1.18 inches1.39 inches
Touchn/an/a
TypeOLEDn/aAMOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM1 ATM5 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables