Fitbit Alta vs. Sony SmartBand 2 vs. Fitbit Charge vs. Michael Kors Access Sofie HR

 
Alta
SmartBand 2
Charge
Access Sofie HR
 FitbitAltaRemove Buy NowSonySmartBand 2Remove Buy NowFitbitChargeRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$130$130$395
Release2016201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days7-10 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA390 x 390
Sizen/an/aNA1.19 inches
Touchn/an/aNA
TypeOLEDn/aOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP581 ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables