Apple Watch Series 3 vs. Fitbit Ionic vs. Amazfit Stratos vs. Acer Liquid Leap vs. Amazfit T-Rex

 
Watch Series 3
Ionic
Stratos
Liquid Leap
T-Rex
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAcerLiquid LeapRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$299$199$90$140
Release20172017201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days5 days5 to 7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250320 x 300128 x 32360 x 360
Size1.5 inches or 1.65 inches1.421.34 inches1 inch1.3 inches
Touch
TypeAMOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSProprietaryBuild-in
Apps
Music

All Wearables