Apple Watch Series 3 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. HTC re Grip

 
Watch Series 3
Ionic
Grayson
Core
Grayson
re Grip
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$299$350$99$350$199
Release201720172018201620182020

Activity & Fitness

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

Battery

Duration18 hours4+ days24 hoursNA24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250453 x 454NA453x454160 x 32
Size1.5 inches or 1.65 inches1.421.39 inchesNA1.39 inches1.8 inches
TouchNA
TypeAMOLEDOLEDAMOLEDNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMNA1 ATMIP57

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4Fitbit OSAndroid WearNAAndroid WearNA
Apps
Music

All Wearables