Polar Loop 2 vs. Michael Kors Access Sofie vs. Garmin Vivosmart 4 vs. Fitbit Inspire HR

 
Loop 2
Access Sofie
Vivosmart 4
Inspire HR
 PolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$120$395$130$99
Release2015201720182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inches48 x 128139 x 60
Sizen/a0.74 inches1.4 inches
TouchAMOLDED
TypeLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Fitbit OS
Apps
Music

All Wearables