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

 
Flex 2
Loop 2
Watch Series 2
Charge HR
Core
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$120$269$150$99
Release20162015201620152016

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)18 hours5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312NANA
Sizen/an/a1.5 inches or 1.65 inchesNANA
Touchn/aNANA
TypeLEDLEDAMOLEDOLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNANA
Apps
Music

All Wearables