Polar M400 vs. Fitbit One vs. Moov Now vs. Polar A370 vs. Garmin VivoActive 4

 
M400
One
Now
A370
VivoActive 4
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMoovNowRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$100$79$179.95$349
Release20142012201520172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 monthsUp to 3 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a160 x 80260 x 260
Sizen/an/an/a1.18 inches1.3ionches
Touchn/a
Typen/aOLEDn/aTFT LCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistantn/aWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables