Fitbit Flex 2 vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Pebble Core vs. Amazfit GTR

 
Flex 2
Loop 2
Access Sofie
Core
GTR
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$120$395$99$199
Release20162015201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days8 days (without notifications)1 dayNA24 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 390 1.19 inchesNA454 x 454
Sizen/an/aNA1.39 inches
Touchn/aAMOLDEDNA
TypeLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables