Polar M600 vs. Moov Now vs. Sony SmartBand 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson

 
M600
Now
SmartBand 2
Grayson
Alta HR
Grayson
 PolarM600Remove Buy NowMoovNowRemove Buy NowSonySmartBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$79$130$350$150$350
Release201620152015201820172018

Activity & Fitness

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

Battery

Duration2 days6 months2 days24 hours7 days24 hours
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
Resolution240 x 240n/an/a453 x 454128 x 36453x454
Size1.3 inchesn/an/a1.39 inches1.4 inches1.39 inches
Touchn/an/an/a
TypeTFTn/an/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX8n/aIP581 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables