Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Garmin Vivosmart HR Plus vs. Diesel On Full Guard 2.5 vs. Apple Watch 8

 
Flex 2
Vivosmart HR
Vivosmart HR Plus
On Full Guard 2.5
Watch 8
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$170$179$325$499
Release20162015201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days4 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68160 x 68454x454340 x 272 or 390 x 312
Sizen/a1.08 inches0.5 inches x 0.8 inches1.39 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDn/aLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSWatchOS 9
Apps
Music

All Wearables