Pebble Classic vs. Fitbit Alta vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Classic
Alta
Vivosmart HR
Grayson
Grayson
Vivosmart 4
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$99$130$170$350$350$130
Release201320162015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days5 days24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 68453 x 454453x45448 x 128
Size1.26 inchesn/a1.08 inches1.39 inches1.39 inches0.74 inches
Touchn/a
Typee-paperOLEDn/aAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables