Fitbit Alta vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Garmin Vivosport vs. Apple Watch Series 4

 
Alta
Loop 2
Access Sofie
Vivosport
Watch Series 4
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosportRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$120$395$199$329
Release20162015201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)1 day7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390 1.19 inches72 x 144384 x 480
Sizen/an/aNA1.78 inches
Touchn/aAMOLDED
TypeOLEDLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM1 ATM5 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Watch OS 5
Apps
Music

All Wearables