Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Fitbit Charge 3 vs. Garmin VivoActive 4

 
Alta
Flex 2
One
Charge 3
VivoActive 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$100$100$150$349
Release20162016201220182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a66 x 18260 x 260
Sizen/an/an/a.721 inches1.3ionches
Touchn/an/a
TypeOLEDLEDOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aNAWear OS
Apps
Music

All Wearables