Fitbit Flex 2 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Garmin Vivosmart 3 vs. Garmin Vivosmart HR Plus

 
Flex 2
Flex
Vivofit 4
Vivosmart 3
Vivosmart HR Plus
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 3Remove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$100$100$79.95$139.99$179
Release20162013201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 year5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA88 x 8864 x 128160 x 68
Sizen/aNANANA0.5 inches x 0.8 inches
Touchn/aNA
TypeLEDLEDNAOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables