Pebble 2 vs. Fitbit Alta vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
2
Alta
WSD-F20A
Grayson
Vivofit 4
Grayson
 Pebble2Remove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$129$130$399$350$79.95$350
Release201620162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 day24 hours1 year24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320453 x 45488 x 88453x454
Sizen/an/a1.32 inches1.39 inchesNA1.39 inches
Touchn/a
Typee-paperOLEDLCDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables