Polar V800 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Sony SmartBand 2

 
V800
Activite Sapphire
Activite Steel
SmartBand 2
 PolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowSonySmartBand 2Remove Buy Now

Basic Info

Suggested Price$470$450$170$130
Release2014201420152015

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 months8 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 inches1.3 inchesn/a
Touchn/a
Typen/aAnalogAnalogn/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP58

Notifications

Phone
Emails
Texts

Software

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

All Wearables