ASUS ZenWatch 3 vs. Fitbit Ionic vs. Jaybird Reign vs. Amazfit T-Rex vs. Apple Series 6

 
ZenWatch 3
Ionic
Reign
T-Rex
Series 6
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowJaybirdReignRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$229$299$150$140$399
Release20172017201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days5 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250NA360 x 360384 x 480
Size1.39 inches1.42NA1.3 inches40mm
TouchNA
TypeAMOLEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSNABuild-inWatchOS 5
Apps
Music

All Wearables