Polar M400 vs. Moov Now vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Fitbit Inspire 3

 
M400
Now
645 Music
TicWatch S2
Inspire 3
 PolarM400Remove Buy NowMoovNowRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$79$450$180$100
Release20142015201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months7 days2 DAYS10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240400 x 40032x18
Sizen/an/a1.2 inches1.39 inches46 inches
Touchn/a
Typen/an/aMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables