Fitbit Flex 2 vs. Fitbit One vs. Fitbit Flex vs. Pebble Core vs. Polar Loop

 
Flex 2
One
Flex
Core
Loop
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$100$100$99$100
Release20162012201320162013

Activity & Fitness

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

Battery

Duration5 days10-14 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANANA
Sizen/an/aNANANA
Touchn/aNANA
TypeLEDOLEDLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant1 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables