Fitbit Flex 2 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Polar Loop vs. Sony SmartBand vs. Michael Kors Grayson

 
Flex 2
Grayson
Vivosmart 3
Loop
SmartBand
Grayson
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$350$139.99$100$100$350
Release201620182017201320142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a453 x 45464 x 128NANA453x454
Sizen/a1.39 inchesNANANA1.39 inches
Touchn/aNA
TypeLEDAMOLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables