Apple Watch Series 3 vs. Olio Model One vs. Polar M400 vs. Michael Kors Grayson vs. Garmin Vivosmart HR Plus vs. Michael Kors Grayson

 
Watch Series 3
Model One
M400
Grayson
Vivosmart HR Plus
Grayson
 AppleWatch Series 3Remove Buy NowOlioModel OneRemove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$595$200$350$179$350
Release201720152014201820172018

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/an/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration18 hours2 days8 hours to 30 days24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a453 x 454160 x 68453x454
Size1.5 inches or 1.65 inchesn/an/a1.39 inches0.5 inches x 0.8 inches1.39 inches
Touch
TypeAMOLEDn/an/aAMOLEDLCDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM1 ATM5 ATM1 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aAndroid WearNAAndroid Wear
Appsn/a
Music

All Wearables