Pebble Time Steel vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Polar A370 vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
Time Steel
Grayson
Alta HR
A370
Grayson
Inspire HR
 PebbleTime SteelRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$250$350$150$179.95$350$99
Release201520182017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days24 hours7 daysUp to 3 days24 hours5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454128 x 36160 x 80453x454139 x 60
Size1.26 inches1.39 inches1.4 inches1.18 inches1.39 inches1.4 inches
Touch
Typee-paperAMOLEDOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearAndroid WearFitbit OS
Apps
Music

All Wearables