Fitbit Flex 2 vs. Garmin Vivosmart 3 vs. Michael Kors Access Runway vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
Flex 2
Vivosmart 3
Access Runway
Vivosmart 4
GTR
 FitbitFlex 2Remove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsAccess RunwayRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$139.99$350$130$199
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 128390 x 39048 x 128454 x 454
Sizen/aNA1.19 inches0.74 inches1.39 inches
Touchn/a
TypeLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables