Fitbit One vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Fitbit Flex vs. Garmin Vivosmart 4

 
One
Forerunner 235
Alta HR
Flex
Vivosmart 4
 FitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$299.99$150$100$130
Release20122017201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days9 days7 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180128 x 36NA48 x 128
Sizen/a1.23 inches1.4 inchesNA0.74 inches
TouchNA
TypeOLEDMIPOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables