Polar M400 vs. Fitbit One vs. LG Watch Style vs. Polar A370 vs. Garmin VivoActive 4

 
M400
One
Watch Style
A370
VivoActive 4
 PolarM400Remove Buy NowFitbitOneRemove Buy NowLGWatch StyleRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$100$249$179.95$349
Release20142012201720172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a360 x 360160 x 80260 x 260
Sizen/an/a1.2 inches1.18 inches1.3ionches
Touch
Typen/aOLEDP-OLEDTFT LCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast ResistantIP67WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Apps
Music

All Wearables