Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin Forerunner 235 vs. Polar A370 vs. Garmin VivoActive 4

 
Flex 2
VivoWatch
Forerunner 235
A370
VivoActive 4
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarminForerunner 235Remove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$160$299.99$179.95$349
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days9 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128215 x 180160 x 80260 x 260
Sizen/aNA1.23 inches1.18 inches1.3ionches
Touchn/a
TypeLEDNAMIPTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OS
Apps
Music

All Wearables