Polar Loop 2 vs. Casio WSD-F20A vs. Pebble Time 2 vs. Fitbit Charge vs. Fitbit Charge 3

 
Loop 2
WSD-F20A
Time 2
Charge
Charge 3
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$120$399$199$130$150
Release20152018201620142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day10 days7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANA66 x 18
Sizen/a1.32 inchesNANA.721 inches
TouchNA
TypeLEDLCDe-paperOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSPebble OSNANA
Apps
Music

All Wearables