Apple Watch Series 3 vs. Polar Loop 2 vs. Fitbit Charge 3 vs. Fitbit Flex vs. Pebble Core

 
Watch Series 3
Loop 2
Charge 3
Flex
Core
 AppleWatch Series 3Remove Buy NowPolarLoop 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$329$120$150$100$99
Release20172015201820132016

Activity & Fitness

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

Battery

Duration18 hours8 days (without notifications)7 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a66 x 18NANA
Size1.5 inches or 1.65 inchesn/a.721 inchesNANA
TouchNANA
TypeAMOLEDLEDOLEDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4n/aNANANA
Apps
Music

All Wearables