Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Polar Loop vs. Sony SmartBand vs. Michael Kors Grayson

 
Flex 2
Vivosmart HR
Grayson
Loop
SmartBand
Grayson
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$170$350$100$100$350
Release201620152018201320142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a160 x 68453 x 454NANA453x454
Sizen/a1.08 inches1.39 inchesNANA1.39 inches
Touchn/aNA
TypeLEDn/aAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM2 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables