Polar M600 vs. Fitbit Alta vs. Michael Kors Access Sofie vs. Garmin Vivofit 4 vs. Fitbit Inspire HR

 
M600
Alta
Access Sofie
Vivofit 4
Inspire HR
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivofit 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$330$130$395$79.95$99
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 day1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a390 x 390 1.19 inches88 x 88139 x 60
Size1.3 inchesn/aNA1.4 inches
Touchn/an/aAMOLDED
TypeTFTOLEDNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2.0Fitbit OS
Apps
Music

All Wearables