Polar M400 vs. Garmin Vivosmart vs. Fitbit Ionic vs. LG Watch Sport vs. Garmin Vivofit 4

 
M400
Vivosmart
Ionic
Watch Sport
Vivofit 4
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowLGWatch SportRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$170$299$349$79.95
Release20142014201720162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days4+ days1.45 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16348x250480 x 48088 x 88
Sizen/a1.41 inches1.421.38 inchesNA
Touch
Typen/aOLEDOLEDP-OLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM50mIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSAndroid Wear 2
Apps
Music

All Wearables