ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit One vs. Polar Loop 2 vs. Apple Watch Series 4

 
ZenWatch 2
M400
One
Loop 2
Watch Series 4
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$200$100$120$329
Release20162014201220152018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days10-14 days8 days (without notifications)Not Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/an/a384 x 480
Size1.63 inches or 1.45 inchn/an/an/a1.78 inches
Touch
TypeAMOLEDn/aOLEDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMSplast Resistant2 ATMNot Yet

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/aWatch OS 5
Apps
Music

All Wearables