ASUS ZenWatch 3 vs. Fitbit Ionic vs. Asus ZenWatch vs. Fitbit Flex vs. Fitbit Sense 2

 
ZenWatch 3
Ionic
ZenWatch
Flex
Sense 2
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$229$299$150$100$300
Release20172017201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ daysNA5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250320 x 320NA336x336
Size1.39 inches1.421.63 inchesNA1.59 inches
TouchNA
TypeAMOLEDOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2Fitbit OSAndroid WearNA
Apps
Music

All Wearables