Pebble Time Round vs. Garmin Vivosmart HR vs. Polar M430 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Time Round
Vivosmart HR
M430
Grayson
A370
Grayson
 PebbleTime RoundRemove Buy NowGarminVivosmart HRRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$170$255$350$179.95$350
Release201520152017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days30 hours24 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
Resolutionn/a160 x 68128x128453 x 454160 x 80453x454
Sizeround1.08 inches1.4 inch1.39 inches1.18 inches1.39 inches
Touch
Typee-papern/aLCDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMWR301 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid Wear
Apps
Music

All Wearables