Fitbit Alta vs. Apple Watch Series 2 vs. Acer Liquid Leap vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Alta
Watch Series 2
Liquid Leap
Charge 3
Watch Series 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$269$90$150$329
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 to 7 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312128 x 3266 x 18384 x 480
Sizen/a1.5 inches or 1.65 inches1 inch.721 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIPX45 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNAWatch OS 5
Apps
Music

All Wearables