Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. Michael Kors Access Runway vs. Amazfit GTR

 
Flex 2
Stratos
Vivofit 4
Access Runway
GTR
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$199$79.95$350$199
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 year1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 30088 x 88390 x 390454 x 454
Sizen/a1.34 inchesNA1.19 inches1.39 inches
Touchn/a
TypeLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSBuild-in
Apps
Music

All Wearables