Misfit Flash Link vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Polar A370 vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Flash Link
Grayson
Vivofit 4
A370
Grayson
Watch Ultra
 MisfitFlash LinkRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$20$350$79.95$179.95$350$799
Release201520182018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months24 hours1 yearUp to 3 days24 hours36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45488 x 88160 x 80453x454502x410 pixels
Sizen/a1.39 inchesNA1.18 inches1.39 inches1.92 inches
Touchn/a
Typen/aAMOLEDNATFT LCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM5 ATMWR301 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables