Polar Loop 2 vs. Sony SmartBand 2 vs. Withings Go vs. Fitbit Alta HR

 
Loop 2
SmartBand 2
Go
Alta HR
 PolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowWithingsGoRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$120$130$80$150
Release2015201520162017

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days8 months7 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a128 x 36
Sizen/an/an/a1.4 inches
Touchn/an/a
TypeLEDn/aE-InkOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP585 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Music

All Wearables