Pebble Time vs. Polar Loop 2 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Time
Loop 2
Grayson
A370
Grayson
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$120$350$179.95$350
Release20152015201820172018

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 454160 x 80453x454
Size1.26 inchesn/a1.39 inches1.18 inches1.39 inches
Touch
Typee-paperLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid Wear
Apps
Music

All Wearables