Fitbit Alta vs. Michael Kors Grayson vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Polar A370 vs. Michael Kors Grayson

 
Alta
Grayson
Time 2
Vivofit 4
A370
Grayson
 FitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$350$199$79.95$179.95$350
Release201620182016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours10 days1 yearUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA88 x 88160 x 80453x454
Sizen/a1.39 inchesNANA1.18 inches1.39 inches
Touchn/a
TypeOLEDAMOLEDe-paperNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM3 ATM5 ATMWR301 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearPebble OSAndroid Wear
Apps
Music

All Wearables