Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Charge vs. Fitbit Flex vs. Polar Loop

 
ZenWatch
Alta HR
Charge
Flex
Loop
 AsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$150$130$100$100
Release20142017201420132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA7 days7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 36NANANA
Size1.63 inches1.4 inchesNANANA
TouchNANA
TypeAMOLEDOLEDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP551 ATM1 ATM2 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNANANA
Apps
Music

All Wearables