Fitbit Flex 2 vs. Acer Liquid Leap vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Flex 2
Liquid Leap
WSD-F20A
Alta HR
Charge 3
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$90$399$150$150
Release20162015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32320 x 320128 x 3666 x 18
Sizen/a1 inch1.32 inches1.4 inches.721 inches
Touchn/a
TypeLEDOLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables