Pebble Time vs. Misfit Speedo Shine 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time
Speedo Shine 2
Grayson
Alta HR
Grayson
Vivosmart 4
 PebbleTimeRemove Buy NowMisfitSpeedo Shine 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$80$350$150$350$130
Release201520162018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days6 months24 hours7 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a453 x 454128 x 36453x45448 x 128
Size1.26 inchesn/a1.39 inches1.4 inches1.39 inches0.74 inches
Touchn/a
Typee-papern/aAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid Wear
Apps
Music

All Wearables