Fitbit Flex 2 vs. Fitbit Charge 3 vs. Fitbit Flex vs. Pebble Core vs. Fitbit Sense 2

 
Flex 2
Charge 3
Flex
Core
Sense 2
 FitbitFlex 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$150$100$99$300
Release20162018201320162022

Activity & Fitness

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

Battery

Duration5 days7 days5 daysNA6 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a66 x 18NANA336x336
Sizen/a.721 inchesNANA1.59 inches
Touchn/aNANA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables