Fitbit One vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
One
Grayson
Moto 360 (1st Gen)
Versa 2
Grayson
T-Rex
 FitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$150$199$350$140
Release201220182014201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days24 hours1 day5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454320 x 260300 x 300453x454360 x 360
Sizen/a1.39 inches1.56 inches1.34 inches1.39 inches1.3 inches
Touch
TypeOLEDAMOLEDLCDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-inAndroid WearBuild-in
Apps
MusicNA

All Wearables