Fitbit Charge 2 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
Charge 2
Flex 2
ZenWatch 3
Watch Series 4
Inspire HR
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$150$100$229$329$99
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hoursNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400384 x 480139 x 60
Sizen/an/a1.39 inches1.78 inches1.4 inches
Touchn/an/a
TypeOLEDLEDAMOLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Watch OS 5Fitbit OS
Apps
Music

All Wearables