Fitbit Flex 2 vs. Polar Loop 2 vs. Pebble Time 2 vs. Pebble Core vs. Apple Watch Series 4

 
Flex 2
Loop 2
Time 2
Core
Watch Series 4
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowPebbleTime 2Remove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$120$199$99$329
Release20162015201620162018

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)10 daysNANot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA384 x 480
Sizen/an/aNANA1.78 inches
Touchn/aNA
TypeLEDLEDe-paperNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM3 ATMNANot Yet

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aPebble OSNAWatch OS 5
Apps
Music

All Wearables