Fitbit Flex 2 vs. Fitbit One vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. Pebble Core

 
Flex 2
One
Loop 2
Vivofit 4
Core
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$100$120$79.95$99
Release20162012201520182016

Activity & Fitness

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

Battery

Duration5 days10-14 days8 days (without notifications)1 yearNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a88 x 88NA
Sizen/an/an/aNANA
Touchn/aNA
TypeLEDOLEDLEDNANA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant2 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables