Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivosmart HR Plus vs. Polar A370 vs. Garmin Vivosmart 4

 
M400
Moto 360 (1st Gen)
Vivosmart HR Plus
A370
Vivosmart 4
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$150$179$179.95$130
Release20142014201720172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day5 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260160 x 68160 x 8048 x 128
Sizen/a1.56 inches0.5 inches x 0.8 inches1.18 inches0.74 inches
Touch
Typen/aLCDLCDTFT LCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNA
Apps
MusicNA

All Wearables