Fitbit Zip vs. Asus ZenWatch vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Fitbit Flex

 
Zip
ZenWatch
Charge 3
Charge HR
Flex
 FitbitZipRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$60$150$150$150$100
Release20122014201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 monthsNA7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 32066 x 18NANA
Sizen/a1.63 inches.721 inchesNANA
TouchNANA
Typen/aAMOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash ResistantIP555 ATM1 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANANA
Apps
Music

All Wearables