ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit One vs. Garmin Vivofit 4 vs. Apple Watch Ultra

 
ZenWatch 2
M400
One
Vivofit 4
Watch Ultra
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$200$100$79.95$799
Release20162014201220182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days10-14 days1 year36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/a88 x 88502x410 pixels
Size1.63 inches or 1.45 inchn/an/aNA1.92 inches
Touch
TypeAMOLEDn/aOLEDNA

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMSplast Resistant5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWatchOS 9
Apps
Music

All Wearables