Michael Kors Grayson vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch Ultra

 
Grayson
Alta HR
Vivofit 4
Grayson
re Grip
Watch Ultra
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$350$150$79.95$350$199$799
Release201820172018201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days1 year24 hours5 hours to 2.5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454128 x 3688 x 88453x454160 x 32502x410 pixels
Size1.39 inches1.4 inchesNA1.39 inches1.8 inches1.92 inches
Touch
TypeAMOLEDOLEDNAAMOLEDPMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM1 ATMIP5710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAWatchOS 9
Apps
Music

All Wearables