Fitbit One vs. Asus VivoWatch vs. Michael Kors Grayson vs. Samsung Gear Fit2 Pro vs. Michael Kors Grayson vs. Amazfit T-Rex

 
One
VivoWatch
Grayson
Gear Fit2 Pro
Grayson
T-Rex
 FitbitOneRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear Fit2 ProRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$160$350$199.99$350$140
Release201220182018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days24 hours to 10 days24 hours2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128453 x 454216 x 432453x454360 x 360
Sizen/aNA1.39 inches1.5 inches1.39 inches1.3 inches
Touch
TypeOLEDNAAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceSplast ResistantIP671 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearTizen OSAndroid WearBuild-in
Apps
Music

All Wearables