Pebble Time vs. Polar M400 vs. Sony SmartBand 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
Time
M400
SmartBand 2
Grayson
Grayson
Inspire 3
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowSonySmartBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$150$200$130$350$350$100
Release201520142015201820182022

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days2 days24 hours24 hours10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a453 x 454453x45432x18
Size1.26 inchesn/an/a1.39 inches1.39 inches46 inches
Touchn/a
Typee-papern/an/aAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP581 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables