ASUS ZenWatch 3 vs. Fitbit Charge vs. Polar Loop vs. Amazfit T-Rex vs. Apple Watch 7

 
ZenWatch 3
Charge
Loop
T-Rex
Watch 7
 ASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$229$130$100$140$429
Release20172014201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours7-10 days5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400NANA360 x 360396 x 484
Size1.39 inchesNANA1.3 inches1.9 inches
TouchNA
TypeAMOLEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM2 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANABuild-inWatchOS 8
Apps
Music

All Wearables