Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4

 
Flex 2
Forerunner 235
Flex
Vivofit 4
Vivosmart 4
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$299.99$100$79.95$130
Release20162017201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days5 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180NA88 x 8848 x 128
Sizen/a1.23 inchesNANA0.74 inches
Touchn/aNA
TypeLEDMIPLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables