Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Zip vs. ASUS ZenWatch 3 vs. Fitbit Charge 3

 
Charge 2
Flex 2
Zip
ZenWatch 3
Charge 3
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$150$100$60$229$150
Release20162016201220172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 months48 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a400 x 40066 x 18
Sizen/an/an/a1.39 inches.721 inches
Touchn/an/a
TypeOLEDLEDn/aAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2NA
Apps
Music

All Wearables