Fitbit Flex 2 vs. Polar A360 vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
Flex 2
A360
Grayson
Forerunner 45
Grayson
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$200$350$199$350
Release20162015201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80453 x 454208 x 208453x454
Sizen/a1.18 inches1.39 inches1.04 inches1.39 inches
Touchn/a
TypeLEDn/aAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR301 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuilt-inAndroid Wear
Apps
Music

All Wearables