Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Fitbit Charge HR vs. Pebble Core

 
Flex 2
One
645 Music
Charge HR
Core
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$100$450$150$99
Release20162012201820152016

Activity & Fitness

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

Battery

Duration5 days10-14 days7 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NANA
Sizen/an/a1.2 inchesNANA
Touchn/aNANA
TypeLEDOLEDMIPOLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables