Polar Loop 2 vs. Fitbit Ionic vs. Pebble Core vs. Apple Watch Series 4 vs. Apple Watch 8

 
Loop 2
Ionic
Core
Watch Series 4
Watch 8
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$299$99$329$499
Release20152017201620182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ daysNANot Yet18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA384 x 480340 x 272 or 390 x 312
Sizen/a1.42NA1.78 inches1.5 inches or 1.65 inches
TouchNA
TypeLEDOLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50mNANot Yet5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSNAWatch OS 5WatchOS 9
Apps
Music

All Wearables