Fitbit One vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Polar A370 vs. Michael Kors Grayson

 
One
Vivosmart
Grayson
Alta HR
A370
Grayson
 FitbitOneRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$170$350$150$179.95$350
Release201220142018201720172018

Activity & Fitness

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

Battery

Duration10-14 days7 days24 hours7 daysUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16453 x 454128 x 36160 x 80453x454
Sizen/a1.41 inches1.39 inches1.4 inches1.18 inches1.39 inches
Touch
TypeOLEDOLEDAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables