Polar M600 vs. Fitbit Flex 2 vs. Misfit Flash Link vs. Polar M430 vs. Apple Watch Series 4

 
M600
Flex 2
Flash Link
M430
Watch Series 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowPolarM430Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$100$20$255$329
Release20162016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days6 months30 hoursNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/a128x128384 x 480
Size1.3 inchesn/an/a1.4 inch1.78 inches
Touchn/an/an/a
TypeTFTLEDn/aLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM3 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aWatch OS 5
Apps
Music

All Wearables