Fitbit Alta vs. Polar Loop 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Apple Watch 7

 
Alta
Loop 2
Grayson
Core
Grayson
Watch 7
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$120$350$99$350$429
Release201620152018201620182021

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days8 days (without notifications)24 hoursNA24 hours18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NA453x454396 x 484
Sizen/an/a1.39 inchesNA1.39 inches1.9 inches
Touchn/aNA
TypeOLEDLEDAMOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM1 ATMNA1 ATMwater resistant but not waterproof

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAAndroid WearWatchOS 8
Apps
Music

All Wearables