Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Pebble Core vs. Amazfit GTR

 
Flex 2
WSD-F20A
Access Sofie
Core
GTR
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$399$395$99$199
Release20162018201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days1 day1 dayNA24 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320390 x 390 1.19 inchesNA454 x 454
Sizen/a1.32 inchesNA1.39 inches
Touchn/aAMOLDEDNA
TypeLEDLCDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables