Moov Now vs. Amazfit Arc vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Now
Arc
Grayson
A370
Grayson
Vivosmart 4
 MoovNowRemove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$79$69.99$350$179.95$350$130
Release201520162018201720182018

Activity & Fitness

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

Battery

Duration6 months20 days24 hoursUp to 3 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40453 x 454160 x 80453x45448 x 128
Sizen/a0.42 inches1.39 inches1.18 inches1.39 inches0.74 inches
Touchn/a
Typen/aOLEDAMOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/aIP671 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables