Michael Kors Grayson vs. Fitbit Alta HR vs. Pebble Core vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch 7

 
Grayson
Alta HR
Core
Grayson
re Grip
Watch 7
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$350$150$99$350$199$429
Release201820172016201820202021

Activity & Fitness

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

Battery

Duration24 hours7 daysNA24 hours5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454128 x 36NA453x454160 x 32396 x 484
Size1.39 inches1.4 inchesNA1.39 inches1.8 inches1.9 inches
TouchNA
TypeAMOLEDOLEDNAAMOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNA1 ATMIP57water resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNAAndroid WearNAWatchOS 8
Apps
Music

All Wearables