Polar M600 vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Inspire HR

 
M600
Loop 2
Access Sofie
Inspire HR
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$330$120$395$99
Release2016201520172019

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a390 x 390 1.19 inches139 x 60
Size1.3 inchesn/a1.4 inches
Touchn/aAMOLDED
TypeTFTLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2.0Fitbit OS
Apps
Music

All Wearables