Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Amazfit GTS vs. Amazfit T-Rex

 
Zip
Grayson
Charge 3
Grayson
GTS
T-Rex
 FitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$60$350$150$350$150$140
Release201220182018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months24 hours7 days24 hours14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a453 x 45466 x 18453x454348 x 442360 x 360
Sizen/a1.39 inches.721 inches1.39 inches1.65 inches1.3 inches
Touch
Typen/aAMOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant1 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearWear OSBuild-in
Apps
Music

All Wearables