Pebble Steel vs. Pebble Time Round vs. TomTom Adventurer vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Steel
Time Round
Adventurer
Grayson
A370
Grayson
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowTomTomAdventurerRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$200$350$350$179.95$350
Release201420152016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 daysn/a24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a453 x 454160 x 80453x454
Size1.26 inchesroundn/a1.39 inches1.18 inches1.39 inches
Touch
Typee-papere-papern/aAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM1 ATMWR301 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSPebble OSn/aAndroid WearAndroid Wear
Apps
Music

All Wearables