Fitbit Flex 2 vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Sony SmartBand

 
Flex 2
Alta HR
Vivosmart 3
SmartBand
 FitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$100$150$139.99$100
Release2016201720172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a128 x 3664 x 128NA
Sizen/a1.4 inchesNANA
Touchn/aNA
TypeLEDOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables