Fitbit Flex 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR vs. Amazfit T-Rex

 
Flex 2
Stratos
Grayson
Grayson
GTR
T-Rex
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$199$350$350$199$140
Release201620182018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours24 hours24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300453 x 454453x454454 x 454360 x 360
Sizen/a1.34 inches1.39 inches1.39 inches1.39 inches1.3 inches
Touchn/a
TypeLEDOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearAndroid WearBuild-inBuild-in
Apps
Music

All Wearables