Polar M400 vs. LG Watch Style vs. Asus ZenWatch vs. Apple Watch Ultra vs. Fitbit Sense 2

 
M400
Watch Style
ZenWatch
Watch Ultra
Sense 2
 PolarM400Remove Buy NowLGWatch StyleRemove Buy NowAsusZenWatchRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$249$150$799$300
Release20142017201420222022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 320502x410 pixels336x336
Sizen/a1.2 inches1.63 inches1.92 inches1.59 inches
Touch
Typen/aP-OLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP5510 ATM (100 Meters)5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearWatchOS 9
Apps
Music

All Wearables