Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Garmin Vivosmart HR vs. Pebble Time 2 vs. Fitbit Alta HR

 
Moto 360 (2nd Gen)
M400
Vivosmart HR
Time 2
Alta HR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$170$199$150
Release20152014201520162017

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days5 days10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a160 x 68NA128 x 36
Size1.37 inches or 1.56 inchesn/a1.08 inchesNA1.4 inches
Touch
TypeLCDn/an/ae-paperOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables