Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Fossil Explorist vs. Fitbit Alta HR

 
Moto 360 (2nd Gen)
M400
Explorist
Alta HR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$255$150
Release2015201420182017

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a454 x454128 x 36
Size1.37 inches or 1.56 inchesn/a1.4 inches1.4 inches
Touch
TypeLCDn/aAMOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OS
Apps
Musicn/a

All Wearables