Casio WSD-F20A vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Pebble Core vs. Polar Loop

 
WSD-F20A
Time 2
Vivofit 4
Core
Loop
 CasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$199$79.95$99$100
Release20182016201820162013

Activity & Fitness

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

Battery

Duration1 day10 days1 yearNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA88 x 88NANA
Size1.32 inchesNANANANA
TouchNA
TypeLCDe-paperNANALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSPebble OSNANA
Apps
Music

All Wearables