Fitbit Charge 2 vs. Apple Watch Series 2 vs. Acer Liquid Leap vs. Casio WSD-F20A vs. Fitbit Alta HR

 
Charge 2
Watch Series 2
Liquid Leap
WSD-F20A
Alta HR
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$150$269$90$399$150
Release20162016201520182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 to 7 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312128 x 32320 x 320128 x 36
Sizen/a1.5 inches or 1.65 inches1 inch1.32 inches1.4 inches
Touchn/a
TypeOLEDAMOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables