Polar Loop 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Pebble Core

 
Loop 2
WSD-F20A
Access Sofie
Flex
Core
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$399$395$100$99
Release20152018201720132016

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day1 day5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inchesNANA
Sizen/a1.32 inchesNANA
TouchAMOLDEDNANA
TypeLEDLCDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSAndroid Wear 2.0NANA
Apps
Music

All Wearables