Fitbit Flex 2 vs. Garmin Vivosmart vs. Polar M430 vs. Garmin 645 Music vs. Michael Kors Access Runway

 
Flex 2
Vivosmart
M430
645 Music
Access Runway
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$100$170$255$450$350
Release20162014201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days30 hours7 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16128x128240 x 240390 x 390
Sizen/a1.41 inches1.4 inch1.2 inches1.19 inches
Touchn/a
TypeLEDOLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables