Pebble Classic vs. Fitbit Alta vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch Ultra vs. Fitbit Inspire 3

 
Classic
Alta
Grayson
Grayson
Watch Ultra
Inspire 3
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$99$130$350$350$799$100
Release201320162018201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days24 hours24 hours36 hrs10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 454453x454502x410 pixels32x18
Size1.26 inchesn/a1.39 inches1.39 inches1.92 inches46 inches
Touchn/a
Typee-paperOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM1 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables