Pebble Classic vs. Fitbit Alta vs. Amazfit Arc vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Classic
Alta
Arc
Grayson
Watch Series 4
Grayson
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$130$69.99$350$329$350
Release201320162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days20 days24 hoursNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a72 x40453 x 454384 x 480453x454
Size1.26 inchesn/a0.42 inches1.39 inches1.78 inches1.39 inches
Touchn/a
Typee-paperOLEDOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP671 ATMNot Yet1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables