Pebble 2 vs. Fitbit One vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson

 
2
One
WSD-F20A
Grayson
Charge
Grayson
 Pebble2Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$129$100$399$350$130$350
Release201620122018201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days10-14 days1 day24 hours7-10 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320453 x 454NA453x454
Sizen/an/a1.32 inches1.39 inchesNA1.39 inches
TouchNA
Typee-paperOLEDLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistant5 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables