Fitbit Flex 2 vs. Polar M430 vs. Fitbit Charge 3 vs. Polar A370 vs. Samsung Gear Fit

 
Flex 2
M430
Charge 3
A370
Gear Fit
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowSamsungGear FitRemove Buy Now

Basic Info

Suggested Price$100$255$150$179.95$150
Release20162017201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours7 daysUp to 3 days2-3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128x12866 x 18160 x 80432 x 128
Sizen/a1.4 inch.721 inches1.18 inches1.84 inches
Touchn/a
TypeLEDLCDOLEDTFT LCDSuper AMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMWR30IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables