Polar M600 vs. Fitbit Flex 2 vs. Misfit Speedo Shine 2 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
M600
Flex 2
Speedo Shine 2
Flex
Vivosmart 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$100$80$100$130
Release20162016201620132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days6 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/aNA48 x 128
Size1.3 inchesn/an/aNA0.74 inches
Touchn/an/an/aNA
TypeTFTLEDn/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNA
Apps
Music

All Wearables