Pebble Time vs. TomTom Spark vs. Withings Steel HR vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time
Spark
Steel HR
Grayson
Grayson
Vivosmart 4
 PebbleTimeRemove Buy NowTomTomSparkRemove Buy NowWithingsSteel HRRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$150$180$350$350$130
Release201520152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysn/a25 days24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a453 x 454453x45448 x 128
Size1.26 inchesn/an/a1.39 inches1.39 inches0.74 inches
Touch
Typee-paperLCDn/aAMOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables