Fitbit Alta vs. Misfit Speedo Shine 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
Speedo Shine 2
Grayson
Core
Grayson
T-Rex
 FitbitAltaRemove Buy NowMisfitSpeedo Shine 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$80$350$99$350$140
Release201620162018201620182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days6 months24 hoursNA24 hours20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NA453x454360 x 360
Sizen/an/a1.39 inchesNA1.39 inches1.3 inches
Touchn/an/aNA
TypeOLEDn/aAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables