Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Polar A370 vs. Apple Watch Series 4

 
Flex 2
Forerunner 235
Vivosmart 3
A370
Watch Series 4
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$299.99$139.99$179.95$329
Release20162017201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days5 daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 18064 x 128160 x 80384 x 480
Sizen/a1.23 inchesNA1.18 inches1.78 inches
Touchn/a
TypeLEDMIPOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMWR30Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables