Garmin Forerunner 225 vs. Pebble Time vs. Polar M400 vs. Fitbit Alta vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Forerunner 225
Time
M400
Alta
Grayson
Grayson
 GarminForerunner 225Remove Buy NowPebbleTimeRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$150$200$130$350$350
Release201520152014201620182018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks7 days8 hours to 30 days5 days24 hours24 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
Resolution180 x 180168 x 144n/an/a453 x 454453x454
Size1 inch1.26 inchesn/an/a1.39 inches1.39 inches
Touchn/a
Typen/ae-papern/aOLEDAMOLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATMn/a1 ATM1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/aPebble OSn/an/aAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables