Polar M400 vs. Moov Now vs. Fitbit Versa vs. Michael Kors Grayson vs. Jawbone UP24 vs. Michael Kors Grayson

 
M400
Now
Versa
Grayson
UP24
Grayson
 PolarM400Remove Buy NowMoovNowRemove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$79$199.99$350$130$350
Release201420152018201820132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months4 days24 hours14 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a300 x300453 x 454NA453x454
Sizen/an/a1.34 inches1.39 inchesNA1.39 inches
Touchn/aNA
Typen/an/aOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM1 ATMSplash Resistant1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables