Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Polar M600 vs. Apple Watch Series 2 vs. Fitbit Alta HR

 
Moto 360 (2nd Gen)
M400
M600
Watch Series 2
Alta HR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$330$269$150
Release20152014201620162017

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2 days18 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a240 x 240340 x 272 or 390 x 312128 x 36
Size1.37 inches or 1.56 inchesn/a1.3 inches1.5 inches or 1.65 inches1.4 inches
Touchn/a
TypeLCDn/aTFTAMOLEDOLED

Functions

Audio SpeakerBluetoothAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX85ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearWatch OS
Apps
Musicn/a

All Wearables