Polar M400 vs. Moov Now vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR

 
M400
Now
SmartBand 2
ZenWatch 3
Alta HR
 PolarM400Remove Buy NowMoovNowRemove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$79$130$229$150
Release20142015201520172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months2 days48 hours7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a400 x 400128 x 36
Sizen/an/an/a1.39 inches1.4 inches
Touchn/an/a
Typen/an/an/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2
Apps
Music

All Wearables