Fitbit Alta vs. Fitbit Charge 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Garmin Vivofit 4

 
Alta
Charge 2
Alta HR
Flex
Vivofit 4
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$130$150$150$100$79.95
Release20162016201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 36NA88 x 88
Sizen/an/a1.4 inchesNANA
Touchn/an/aNA
TypeOLEDOLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables