Polar M600 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Michael Kors Access Sofie HR vs. Apple Series 6

 
M600
Alta
Watch Series 2
Access Sofie HR
Series 6
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$330$130$269$395$399
Release20162016201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days18 hours2 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a340 x 272 or 390 x 312390 x 390384 x 480
Size1.3 inchesn/a1.5 inches or 1.65 inches1.19 inches40mm
Touchn/an/a
TypeTFTOLEDAMOLEDOMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX8n/a5ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWatch OSWear OSWatchOS 5
Apps
Music

All Wearables