Polar M600 vs. Withings Activite Sapphire vs. Fitbit Alta vs. Michael Kors Access Sofie vs. Garmin Vivosmart HR Plus

 
M600
Activite Sapphire
Alta
Access Sofie
Vivosmart HR Plus
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitAltaRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$450$130$395$179
Release20162014201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 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/an/a390 x 390 1.19 inches160 x 68
Size1.3 inches1.3 inchesn/a0.5 inches x 0.8 inches
Touchn/an/aAMOLDED
TypeTFTAnalogOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables