Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
Grayson
Flex
Watch Series 4
On Full Guard 2.5
Grayson
Inspire 3
 Michael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$350$100$329$325$350$100
Release201820132018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours5 daysNot Yet4 days24 hours10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA384 x 480454x454453x45432x18
Size1.39 inchesNA1.78 inches1.39 inches1.39 inches46 inches
TouchNA
TypeAMOLEDLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATMNot Yet3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWatch OS 5Wear OSAndroid Wear
Apps
Music

All Wearables