Polar Loop 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Michael Kors Access Runway

 
Loop 2
WSD-F20A
Charge
Access Runway
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$120$399$130$350
Release2015201820142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7-10 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA390 x 390
Sizen/a1.32 inchesNA1.19 inches
TouchNA
TypeLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
Music

All Wearables