Fitbit Alta vs. Acer Liquid Leap vs. Apple Watch Series 4 vs. Amazfit T-Rex vs. Fitbit Sense 2

 
Alta
Liquid Leap
Watch Series 4
T-Rex
Sense 2
 FitbitAltaRemove Buy NowAcerLiquid LeapRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$90$329$140$300
Release20162015201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 daysNot Yet20 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32384 x 480360 x 360336x336
Sizen/a1 inch1.78 inches1.3 inches1.59 inches
Touchn/a
TypeOLEDOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX4Not Yet5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS 5Build-in
Apps
Music

All Wearables