ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
ZenWatch 2
Ionic
Charge 3
Flex
On Full Guard 2.5
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$150$299$150$100$325
Release20162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320348x25066 x 18NA454x454
Size1.63 inches or 1.45 inch1.42.721 inchesNA1.39 inches
TouchNA
TypeAMOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATM1 ATM3 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNANAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables