Fitbit Flex 2 vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core vs. Apple Series 6

 
Flex 2
Loop 2
Flex
Core
Series 6
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$120$100$99$399
Release20162015201320162020

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 daysNANot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA384 x 480
Sizen/an/aNANA40mm
Touchn/aNANA
TypeLEDLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM2 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANAWatchOS 5
Apps
Music

All Wearables