Fitbit One vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Michael Kors Grayson vs. Garmin Vivosport vs. Michael Kors Grayson

 
One
Vivosmart HR
Loop 2
Grayson
Vivosport
Grayson
 FitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$170$120$350$199$350
Release201220152015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days8 days (without notifications)24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68n/a453 x 45472 x 144453x454
Sizen/a1.08 inchesn/a1.39 inchesNA1.39 inches
Touch
TypeOLEDn/aLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM2 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables