Pebble Classic vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Pebble Core vs. Amazfit T-Rex

 
Classic
ZenWatch 3
Ionic
Core
T-Rex
 PebbleClassicRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$229$299$99$140
Release20132017201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5-7 days48 hours4+ daysNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144400 x 400348x250NA360 x 360
Size1.26 inches1.39 inches1.42NA1.3 inches
TouchNA
Typee-paperAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSAndroid Wear 2Fitbit OSNABuild-in
Apps
Music

All Wearables