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

 
Watch Series 3
Watch Series 2
Liquid Leap
Alta HR
Watch Ultra
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$269$90$150$799
Release20172016201520172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours5 to 7 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312128 x 32128 x 36502x410 pixels
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1 inch1.4 inches1.92 inches
Touch
TypeAMOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMIPX410 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSWatchOS 9
Apps
Music

All Wearables