Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Fitbit Flex vs. Apple Watch Series 4

 
Flex 2
Watch Series 2
Charge HR
Flex
Watch Series 4
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$269$150$100$329
Release20162016201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312NANA384 x 480
Sizen/a1.5 inches or 1.65 inchesNANA1.78 inches
Touchn/aNANA
TypeLEDAMOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM1 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNANAWatch OS 5
Apps
Music

All Wearables