ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit Ionic vs. Fitbit Inspire HR vs. Apple Watch Ultra

 
ZenWatch 2
M400
Ionic
Inspire HR
Watch Ultra
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$200$299$99$799
Release20162014201720192022

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days4+ days5 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/a348x250139 x 60502x410 pixels
Size1.63 inches or 1.45 inchn/a1.421.4 inches1.92 inches
Touch
TypeAMOLEDn/aOLEDOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM50m5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSFitbit OSWatchOS 9
Apps
Music

All Wearables