Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
Flex 2
Grayson
Core
Grayson
VivoActive 4
Watch Ultra
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$350$99$350$349$799
Release201620182016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days24 hoursNA24 hours8 days36 hrs
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NA453x454260 x 260502x410 pixels
Sizen/a1.39 inchesNA1.39 inches1.3ionches1.92 inches
Touchn/aNA
TypeLEDAMOLEDNAAMOLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA1 ATM5 ATM10 ATM (100 Meters)

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables