Polar M400 vs. Moov Now vs. Asus VivoWatch vs. Fitbit Inspire HR vs. Apple Watch 8

 
M400
Now
VivoWatch
Inspire HR
Watch 8
 PolarM400Remove Buy NowMoovNowRemove Buy NowAsusVivoWatchRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$79$160$99$499
Release20142015201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months24 hours to 10 days5 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 128139 x 60340 x 272 or 390 x 312
Sizen/an/aNA1.4 inches1.5 inches or 1.65 inches
Touchn/a
Typen/an/aNAOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/aNA
Ultraviolet Sensor
Water Resistance3 ATMn/aIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSFitbit OSWatchOS 9
Apps
Music

All Wearables