ASUS ZenWatch 3 vs. Fitbit Ionic vs. Apple Watch vs. Amazfit T-Rex vs. HTC re Grip

 
ZenWatch 3
Ionic
Watch
T-Rex
re Grip
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$229$299$349$140$199
Release20172017201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days18 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250340 x 272 or 390 x 312360 x 360160 x 32
Size1.39 inches1.421.5 inches or 1.65 inches1.3 inches1.8 inches
Touch
TypeAMOLEDOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIPX75 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSWatch OSBuild-inNA
Apps
Music

All Wearables