Fitbit Alta vs. Fossil Explorist vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Polar A370 vs. Michael Kors Grayson

 
Alta
Explorist
Grayson
Vivofit 4
A370
Grayson
 FitbitAltaRemove Buy NowFossilExploristRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$255$350$79.95$179.95$350
Release201620182018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours24 hours1 yearUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x454453 x 45488 x 88160 x 80453x454
Sizen/a1.4 inches1.39 inchesNA1.18 inches1.39 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables