ASUS ZenWatch 2 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Ultra vs. Fitbit Sense 2

 
ZenWatch 2
Alta
Charge 2
Watch Ultra
Sense 2
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$130$150$799$300
Release20162016201620222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days36 hrs6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/a502x410 pixels336x336
Size1.63 inches or 1.45 inchn/an/a1.92 inches1.59 inches
Touchn/an/a
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/an/a10 ATM (100 Meters)5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWatchOS 9
Apps
Music

All Wearables