Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Samsung Gear Fit

 
Flex 2
WSD-F20A
Alta HR
Vivofit 4
Gear Fit
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowSamsungGear FitRemove Buy Now

Basic Info

Suggested Price$100$399$150$79.95$150
Release20162018201720182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days1 year2-3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320128 x 3688 x 88432 x 128
Sizen/a1.32 inches1.4 inchesNA1.84 inches
Touchn/a
TypeLEDLCDOLEDNASuper AMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables