Fitbit Alta vs. Casio WSD-F20A vs. Pebble Core vs. Michael Kors Access Sofie HR vs. Apple Series 6

 
Alta
WSD-F20A
Core
Access Sofie HR
Series 6
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$399$99$395$399
Release20162018201620192020

Activity & Fitness

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

Battery

Duration5 days1 dayNA2 daysNot yet
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA390 x 390384 x 480
Sizen/a1.32 inchesNA1.19 inches40mm
Touchn/aNA
TypeOLEDLCDNAOMOLEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMNA0.3 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWear OSNAWear OSWatchOS 5
Apps
Music

All Wearables