Fitbit Alta vs. Polar M430 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Apple Series 6

 
Alta
M430
Grayson
Vivofit 4
Grayson
Series 6
 FitbitAltaRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$255$350$79.95$350$399
Release201620172018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours24 hours1 year24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128453 x 45488 x 88453x454384 x 480
Sizen/a1.4 inch1.39 inchesNA1.39 inches40mm
Touchn/a
TypeOLEDLCDAMOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aWR301 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables