Polar M600 vs. Polar Loop 2 vs. Amazfit Stratos vs. Michael Kors Access Sofie vs. Garmin Vivosmart HR Plus

 
M600
Loop 2
Stratos
Access Sofie
Vivosmart HR Plus
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$120$199$395$179
Release20162015201820172017

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)5 days1 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/a320 x 300390 x 390 1.19 inches160 x 68
Size1.3 inchesn/a1.34 inches0.5 inches x 0.8 inches
Touchn/aAMOLDED
TypeTFTLEDOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aProprietaryAndroid Wear 2.0NA
Apps
Music

All Wearables