Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Fitbit Alta vs. Withings Pulse Ox vs. Apple Watch Series 2

 
Moto 360 (2nd Gen)
M400
Alta
Pulse Ox
Watch Series 2
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowWithingsPulse OxRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$300$200$130$120$269
Release20152014201620142016

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days5 days2 weeks18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorblue
Resolution360 x 325 or 360 x 330n/an/a128 x 32340 x 272 or 390 x 312
Size1.37 inches or 1.56 inchesn/an/an/a1.5 inches or 1.65 inches
Touchn/aSwipe
TypeLCDn/aOLEDOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMn/a5ATM

Notifications

Phone
Emailsn/a
Texts

Software

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

All Wearables