Polar M600 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Michael Kors Access Sofie HR vs. Apple SE

 
M600
Alta
Flex 2
Access Sofie HR
SE
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$330$130$100$395$279
Release20162016201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days2 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a390 x 390384 x 480
Size1.3 inchesn/an/a1.19 inches40mm
Touchn/an/an/a
TypeTFTOLEDLEDOMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIPX8n/a5 ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aWear OSWatchOS 5
Apps
Music

All Wearables