Fitbit Flex 2 vs. Misfit Speedo Shine 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
Flex 2
Speedo Shine 2
WSD-F20A
Alta HR
Vivofit 4
 FitbitFlex 2Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$80$399$150$79.95
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day7 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a320 x 320128 x 3688 x 88
Sizen/an/a1.32 inches1.4 inchesNA
Touchn/an/a
TypeLEDn/aLCDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables