Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Garmin Vivofit 4

 
Alta
Flex 2
WSD-F20A
Charge HR
Vivofit 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$130$100$399$150$79.95
Release20162016201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA88 x 88
Sizen/an/a1.32 inchesNANA
Touchn/an/aNA
TypeOLEDLEDLCDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables