Fitbit Flex 2 vs. Fitbit Charge HR vs. Jawbone UP24 vs. Apple Watch Series 4 vs. Apple Series 6

 
Flex 2
Charge HR
UP24
Watch Series 4
Series 6
 FitbitFlex 2Remove Buy NowFitbitCharge HRRemove Buy NowJawboneUP24Remove Buy NowAppleWatch Series 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$150$130$329$399
Release20162015201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days14 daysNot YetNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANA384 x 480384 x 480
Sizen/aNANA1.78 inches40mm
Touchn/aNANA
TypeLEDOLEDNAMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM1 ATMSplash ResistantNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatch OS 5WatchOS 5
Apps
Music

All Wearables