Polar M430 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Polar A370

 
M430
Forerunner 235
Flex
Vivosmart 3
A370
 PolarM430Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$255$299.99$100$139.99$179.95
Release20172017201320172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours9 days5 days5 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128215 x 180NA64 x 128160 x 80
Size1.4 inch1.23 inchesNANA1.18 inches
TouchNA
TypeLCDMIPLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables