Fitbit Alta vs. Garmin 645 Music vs. Pebble Core vs. Michael Kors Access Sofie HR

 
Alta
645 Music
Core
Access Sofie HR
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$450$99$395
Release2016201820162019

Activity & Fitness

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

Battery

Duration5 days7 daysNA2 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA390 x 390
Sizen/a1.2 inchesNA1.19 inches
Touchn/aNA
TypeOLEDMIPNAOMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNA0.3 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables