Fitbit Ionic vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Ionic
Forerunner 235
Grayson
Core
Grayson
T-Rex
 FitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$299.99$350$99$350$140
Release201720172018201620182019

Activity & Fitness

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

Battery

Duration4+ days9 days24 hoursNA24 hours20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250215 x 180453 x 454NA453x454360 x 360
Size1.421.23 inches1.39 inchesNA1.39 inches1.3 inches
TouchNA
TypeOLEDMIPAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables