Sony SmartBand 2 vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Polar Loop

 
SmartBand 2
Charge
Vivofit 4
Loop
 SonySmartBand 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$130$130$79.95$100
Release2015201420182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7-10 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA88 x 88NA
Sizen/aNANANA
Touchn/aNA
Typen/aOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables