Pebble Time Round vs. TomTom Spark vs. Michael Kors Grayson vs. Pebble Core vs. Polar Loop vs. Michael Kors Grayson

 
Time Round
Spark
Grayson
Core
Loop
Grayson
 PebbleTime RoundRemove Buy NowTomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$350$99$100$350
Release201520152018201620132018

Activity & Fitness

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

Battery

Duration2 daysn/a24 hoursNA5 days24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NANA453x454
Sizeroundn/a1.39 inchesNANA1.39 inches
TouchNA
Typee-paperLCDAMOLEDNALEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATMNA2 ATM1 ATM

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating SystemPebble OSn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables