Fitbit One vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Apple Watch vs. Amazfit T-Rex

 
One
Watch Series 2
ZenWatch 3
Watch
T-Rex
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$269$229$349$140
Release20122016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours48 hours18 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400340 x 272 or 390 x 312360 x 360
Sizen/a1.5 inches or 1.65 inches1.39 inches1.5 inches or 1.65 inches1.3 inches
Touch
TypeOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Watch OSBuild-in
Apps
Music

All Wearables