Sony SmartBand 2 vs. Michael Kors Access Sofie vs. Fitbit Charge 3 vs. Polar Loop vs. Garmin Vivosmart 4

 
SmartBand 2
Access Sofie
Charge 3
Loop
Vivosmart 4
 SonySmartBand 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge 3Remove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$395$150$100$130
Release20152017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day7 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches66 x 18NA48 x 128
Sizen/a.721 inchesNA0.74 inches
Touchn/aAMOLDED
Typen/aOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
Music

All Wearables