ASUS ZenWatch 2 vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch Ultra vs. Fitbit Inspire 3

 
ZenWatch 2
Charge
Flex
Watch Ultra
Inspire 3
 ASUSZenWatch 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$150$130$100$799$100
Release20162014201320222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7-10 days5 days36 hrs10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA502x410 pixels32x18
Size1.63 inches or 1.45 inchNANA1.92 inches46 inches
TouchNANA
TypeAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM1 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNANAWatchOS 9
Apps
Music

All Wearables