Fitbit Ionic vs. Asus VivoWatch vs. Asus ZenWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR

 
Ionic
VivoWatch
ZenWatch
Grayson
Grayson
GTR
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$160$150$350$350$199
Release201720182014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 daysNA24 hours24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128320 x 320453 x 454453x454454 x 454
Size1.42NA1.63 inches1.39 inches1.39 inches1.39 inches
Touch
TypeOLEDNAAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP67IP551 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSKoodOSAndroid WearAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables