Fitbit Flex 2 vs. Garmin Vivosmart vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
Flex 2
Vivosmart
Watch Series 4
Inspire HR
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$170$329$99
Release2016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot Yet5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16384 x 480139 x 60
Sizen/a1.41 inches1.78 inches1.4 inches
Touchn/a
TypeLEDOLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5Fitbit OS
Apps
Music

All Wearables