Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Polar A360 vs. Polar Loop 2 vs. Garmin Vivofit 4

 
Moto 360 (2nd Gen)
M400
A360
Loop 2
Vivofit 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$300$200$200$120$79.95
Release20152014201520152018

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days12 days8 days (without notifications)1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a160 x 80n/a88 x 88
Size1.37 inches or 1.56 inchesn/a1.18 inchesn/aNA
Touch
TypeLCDn/an/aLEDNA

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Musicn/a

All Wearables