Fitbit Ionic vs. Asus VivoWatch vs. Michael Kors Grayson vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Ionic
VivoWatch
Grayson
Versa 2
Grayson
T-Rex
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$160$350$199$350$140
Release201720182018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days24 hours5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128453 x 454300 x 300453x454360 x 360
Size1.42NA1.39 inches1.34 inches1.39 inches1.3 inches
Touch
TypeOLEDNAAMOLEDAMOLEDAMOLEDAMOLED

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 WearBuild-inAndroid WearBuild-in
Apps
Music

All Wearables