Garmin Forerunner 735XT vs. Fitbit Flex vs. Polar A370 vs. Garmin Vivosmart 4

 
Forerunner 735XT
Flex
A370
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$100$179.95$130
Release2016201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180NA160 x 8048 x 128
Size1.23 inchesNA1.18 inches0.74 inches
Touchn/aNA
Typen/aLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables