Polar M400 vs. Withings Activite Steel vs. Asus VivoWatch vs. Sony SmartBand

 
M400
Activite Steel
VivoWatch
SmartBand
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowAsusVivoWatchRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$200$170$160$100
Release2014201520182014

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months24 hours to 10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a128 x 128NA
Sizen/a1.3 inchesNANA
TouchNA
Typen/aAnalogNANA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSNA
Apps
Music

All Wearables