Fitbit Flex 2 vs. Polar M430 vs. Samsung Galaxy Watch vs. Fitbit Charge 3 vs. Fitbit Flex

 
Flex 2
M430
Galaxy Watch
Charge 3
Flex
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$255$330$150$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
CellularNA
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128360 x 36066 x 18NA
Sizen/a1.4 inch1.2 inches or 1.3 inches.721 inchesNA
Touchn/aNA
TypeLEDLCDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNANA
Apps
MusicSpotify

All Wearables