Fitbit Alta vs. Fitbit One vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Alta
One
Flex
Forerunner 45
Vivosmart 4
 FitbitAltaRemove Buy NowFitbitOneRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$100$100$199$130
Release20162012201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA208 x 20848 x 128
Sizen/an/aNA1.04 inches0.74 inches
Touchn/aNA
TypeOLEDOLEDLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables