Pebble Steel vs. Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Steel
Alta
Grayson
Flex
Vivofit 4
Grayson
 PebbleSteelRemove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$130$350$100$79.95$350
Release201420162018201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days24 hours5 days1 year24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 454NA88 x 88453x454
Size1.26 inchesn/a1.39 inchesNANA1.39 inches
Touchn/aNA
Typee-paperOLEDAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables