ASUS ZenWatch 2 vs. Fitbit Ionic vs. Amazfit Arc vs. Fitbit Flex vs. Apple Watch Series 4

 
ZenWatch 2
Ionic
Arc
Flex
Watch Series 4
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitArcRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$299$69.99$100$329
Release20162017201620132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days20 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x25072 x40NA384 x 480
Size1.63 inches or 1.45 inch1.420.42 inchesNA1.78 inches
TouchNA
TypeAMOLEDOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750mIP671 ATMNot Yet

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNAWatch OS 5
Apps
Music

All Wearables