Fitbit Charge 2 vs. Fitbit Flex 2 vs. Amazfit Cor vs. Fitbit Flex vs. Apple Watch Series 4

 
Charge 2
Flex 2
Cor
Flex
Watch Series 4
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$100$79.99$100$329
Release20162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 160NA384 x 480
Sizen/an/a1.23 inchesNA1.78 inches
Touchn/an/aNA
TypeOLEDLEDIPS LCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5
Apps
Music

All Wearables