Fitbit Flex 2 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Flex 2
Grayson
Vivosmart 3
Access Sofie HR
Grayson
T-Rex
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$139.99$395$350$140
Release201620182017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45464 x 128390 x 390453x454360 x 360
Sizen/a1.39 inchesNA1.19 inches1.39 inches1.3 inches
Touchn/a
TypeLEDAMOLEDOLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid WearBuild-in
Apps
Music

All Wearables