Pebble Time vs. Polar M400 vs. Polar A360 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR

 
Time
M400
A360
Grayson
Grayson
GTR
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$200$200$350$350$199
Release201520142015201820182019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days12 days24 hours24 hours24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 80453 x 454453x454454 x 454
Size1.26 inchesn/a1.18 inches1.39 inches1.39 inches1.39 inches
Touch
Typee-papern/an/aAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMWR301 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables