Fitbit Flex 2 vs. Fitbit One vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Garmin VivoActive 4

 
Flex 2
One
On Full Guard
Charge HR
VivoActive 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$100$325$150$349
Release20162012201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days1 day5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454NA260 x 260
Sizen/an/a1.4 inchesNA1.3ionches
Touchn/aNA
TypeLEDOLEDOMOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables