ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Apple Watch Ultra

 
ZenWatch 2
Flex 2
Watch Series 2
Charge HR
Watch Ultra
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$269$150$799
Release20162016201620152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hours5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a340 x 272 or 390 x 312NA502x410 pixels
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inchesNA1.92 inches
Touchn/aNA
TypeAMOLEDLEDAMOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSNAWatchOS 9
Apps
Music

All Wearables