Fitbit Flex 2 vs. Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Apple SE

 
Flex 2
Flex
Core
Loop
SE
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$100$99$100$279
Release20162013201620132020

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days5 daysNA5 days18 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANANA384 x 480
Sizen/aNANANA40mm
Touchn/aNANA
TypeLEDLEDNALEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM1 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANAWatchOS 5
Apps
Music

All Wearables