Pebble Classic vs. Fitbit Alta vs. Amazfit Bip vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Classic
Alta
Bip
Grayson
Charge 3
Grayson
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$130$99.99$350$150$350
Release201320162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days30 days24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144n/a176 x 176453 x 45466 x 18453x454
Size1.26 inchesn/a1.28 inches1.39 inches.721 inches1.39 inches
Touchn/a
Typee-paperOLEDNAAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP681 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables