Fitbit Alta vs. Acer Liquid Leap vs. Fitbit Charge 3 vs. Apple Watch Series 4 vs. Apple Watch 7

 
Alta
Liquid Leap
Charge 3
Watch Series 4
Watch 7
 FitbitAltaRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$90$150$329$429
Release20162015201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7 daysNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a128 x 3266 x 18384 x 480396 x 484
Sizen/a1 inch.721 inches1.78 inches1.9 inches
Touchn/a
TypeOLEDOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX45 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWatch OS 5WatchOS 8
Apps
Music

All Wearables