Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Michael Kors Access Sofie HR vs. Amazfit GTR vs. Amazfit T-Rex

 
Flex 2
Access Sofie
Access Sofie HR
GTR
T-Rex
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$395$395$199$140
Release20162017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day2 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches390 x 390454 x 454360 x 360
Sizen/a1.19 inches1.39 inches1.3 inches
Touchn/aAMOLDED
TypeLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Wear OSBuild-inBuild-in
Apps
Music

All Wearables