Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Flex 2
ZenWatch 3
Loop
Access Sofie HR
GTR
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$229$100$395$199
Release20162017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours5 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400NA390 x 390454 x 454
Sizen/a1.39 inchesNA1.19 inches1.39 inches
Touchn/a
TypeLEDAMOLEDLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWear OSBuild-in
Apps
Music

All Wearables