Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Polar M430 vs. Garmin Vivosmart 3 vs. Amazfit GTR

 
Flex 2
Vivosmart HR
M430
Vivosmart 3
GTR
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowPolarM430Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$170$255$139.99$199
Release20162015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 hours5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68128x12864 x 128454 x 454
Sizen/a1.08 inches1.4 inchNA1.39 inches
Touchn/a
TypeLEDn/aLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables