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

 
Flex 2
Access Sofie
Flex
Vivosmart 3
T-Rex
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$395$100$139.99$140
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inchesNA64 x 128360 x 360
Sizen/aNANA1.3 inches
Touchn/aAMOLDEDNA
TypeLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables