Polar M400 vs. Michael Kors Grayson vs. Pebble Time 2 vs. Michael Kors Grayson vs. Apple SE (2022) vs. Fitbit Inspire 3

 
M400
Grayson
Time 2
Grayson
SE (2022)
Inspire 3
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleSE (2022)Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$350$199$350$249$100
Release201420182016201820222022

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours10 days24 hoursNot yet10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a453 x 454NA453x45440mm32x18
Sizen/a1.39 inchesNA1.39 inches46 inches
TouchLTPO OLED Retina
Typen/aAMOLEDe-paperAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance3 ATM1 ATM3 ATM1 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aAndroid WearPebble OSAndroid Wear
Apps
Music

All Wearables