Pebble Classic vs. Polar M400 vs. Samsung Gear S vs. Fitbit Alta vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Classic
M400
Gear S
Alta
Grayson
Grayson
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$200$250$130$350$350
Release201320142013201620182018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 daysn/a5 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a480 x 360n/a453 x 454453x454
Size1.26 inchesn/a2 inchesn/a1.39 inches1.39 inches
Touchn/a
Typee-papern/aSuper AMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP67n/a1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aTizenn/aAndroid WearAndroid Wear
Apps
Music

All Wearables