Fitbit One vs. Garmin Vivosmart HR vs. Microsoft Band 2 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
One
Vivosmart HR
Band 2
Grayson
A370
Grayson
 FitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$170$250$350$179.95$350
Release201220152015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days48 hours (without GPS)24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68320 x 128453 x 454160 x 80453x454
Sizen/a1.08 inches1.36 inches1.39 inches1.18 inches1.39 inches
Touch
TypeOLEDn/aCapacitative TFTAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATMIPX71 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables