Fitbit One vs. Polar Loop 2 vs. Amazfit Arc vs. Casio WSD-F20A vs. Pebble Core

 
One
Loop 2
Arc
WSD-F20A
Core
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$120$69.99$399$99
Release20122015201620182016

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)20 days1 dayNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a72 x40320 x 320NA
Sizen/an/a0.42 inches1.32 inchesNA
TouchNA
TypeOLEDLEDOLEDLCDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATMIP675 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables