Fitbit Ionic vs. Asus VivoWatch vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Ionic
VivoWatch
Grayson
Charge 3
Grayson
VivoActive 4
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$160$350$150$350$349
Release201720182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days24 hours7 days24 hours8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250128 x 128453 x 45466 x 18453x454260 x 260
Size1.42NA1.39 inches.721 inches1.39 inches1.3ionches
Touch
TypeOLEDNAAMOLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP671 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables