Fitbit Charge 2 vs. Acer Liquid Leap vs. Amazfit Bip vs. Fitbit Alta HR vs. Apple Watch Series 4

 
Charge 2
Liquid Leap
Bip
Alta HR
Watch Series 4
 FitbitCharge 2Remove Buy NowAcerLiquid LeapRemove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$90$99.99$150$329
Release20162015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days30 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32176 x 176128 x 36384 x 480
Sizen/a1 inch1.28 inches1.4 inches1.78 inches
Touchn/a
TypeOLEDOLEDNAOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX4IP68Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables