ASUS ZenWatch 2 vs. Fitbit One vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Apple Watch Ultra

 
ZenWatch 2
One
Alta HR
T-Rex
Watch Ultra
 ASUSZenWatch 2Remove Buy NowFitbitOneRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$150$140$799
Release20162012201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10-14 days7 days20 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 36360 x 360502x410 pixels
Size1.63 inches or 1.45 inchn/a1.4 inches1.3 inches1.92 inches
Touch
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67Splast Resistant5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuild-inWatchOS 9
Apps
Music

All Wearables