Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Huawei Band 3 Pro vs. Amazfit T-Rex

 
Ionic
Grayson
Core
Grayson
Band 3 Pro
T-Rex
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$350$99$350$70$140
Release201720182016201820182019

Activity & Fitness

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

Battery

Duration4+ days24 hoursNA24 hours12 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454NA453x454454 x 454360 x 360
Size1.421.39 inchesNA1.39 inches1.39 inches1.3 inches
TouchNA
TypeOLEDAMOLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMNA1 ATMIP685 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAAndroid WearAMAZFIT OSBuild-in
Apps
Music

All Wearables