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

 
Watch Series 3
Alta
Watch Series 2
Liquid Leap
Watch Series 4
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$130$269$90$329
Release20172016201620152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days18 hours5 to 7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312128 x 32384 x 480
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1 inch1.78 inches
Touchn/a
TypeAMOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATMIPX4Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aWatch OSWatch OS 5
Apps
Music

All Wearables