Fitbit Alta vs. Polar M430 vs. Amazfit Cor vs. Michael Kors Grayson vs. Pebble Time 2 vs. Michael Kors Grayson

 
Alta
M430
Cor
Grayson
Time 2
Grayson
 FitbitAltaRemove Buy NowPolarM430Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$255$79.99$350$199$350
Release201620172018201820162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours12 days24 hours10 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x12880 x 160453 x 454NA453x454
Sizen/a1.4 inch1.23 inches1.39 inchesNA1.39 inches
Touchn/a
TypeOLEDLCDIPS LCDAMOLEDe-paperAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR305 ATM1 ATM3 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearPebble OSAndroid Wear
Apps
Music

All Wearables