Polar Loop 2 vs. Apple Watch vs. Pebble Core vs. Sony SmartBand vs. Apple Watch Series 4

 
Loop 2
Watch
Core
SmartBand
Watch Series 4
 PolarLoop 2Remove Buy NowAppleWatchRemove Buy NowPebbleCoreRemove Buy NowSonySmartBandRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$120$349$99$100$329
Release20152015201620142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hoursNA5 daysNot Yet
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
Macn/aNANANA
Windowsn/aNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a340 x 272 or 390 x 312NANA384 x 480
Sizen/a1.5 inches or 1.65 inchesNANA1.78 inches
TouchNANA
TypeLEDAMOLEDNANAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX7NAIP58Not Yet

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNANAWatch OS 5
Apps
Music

All Wearables