Pebble Classic vs. Polar M600 vs. Fitbit Alta vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Classic
M600
Alta
WSD-F20A
Grayson
Grayson
 PebbleClassicRemove Buy NowPolarM600Remove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$99$330$130$399$350$350
Release201320162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days5 days1 day24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240n/a320 x 320453 x 454453x454
Size1.26 inches1.3 inchesn/a1.32 inches1.39 inches1.39 inches
Touchn/an/a
Typee-paperTFTOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX8n/a5 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSAndroid Wearn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables