Polar M400 vs. Withings Activite Steel vs. Moov Now vs. Sony SmartBand 2

 
M400
Activite Steel
Now
SmartBand 2
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowMoovNowRemove Buy NowSonySmartBand 2Remove Buy Now

Basic Info

Suggested Price$200$170$79$130
Release2014201520152015

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months6 months2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a
Sizen/a1.3 inchesn/an/a
Touchn/an/a
Typen/aAnalogn/an/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATM5 ATMn/aIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/a
Apps
Music

All Wearables