Fitbit Flex 2 vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Diesel On Full Guard 2.5 vs. Apple Series 6

 
Flex 2
Vivofit 4
Vivosmart HR Plus
On Full Guard 2.5
Series 6
 FitbitFlex 2Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$79.95$179$325$399
Release20162018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year5 days4 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a88 x 88160 x 68454x454384 x 480
Sizen/aNA0.5 inches x 0.8 inches1.39 inches40mm
Touchn/a
TypeLEDNALCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWatchOS 5
Apps
Music

All Wearables