Diesel On Full Guard vs. Fitbit Charge 3 vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
On Full Guard
Charge 3
Flex
On Full Guard 2.5
Watch Ultra
 DieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$325$150$100$325$799
Release20172018201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days5 days4 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution454 x 45466 x 18NA454x454502x410 pixels
Size1.4 inches.721 inchesNA1.39 inches1.92 inches
TouchNA
TypeOMOLEDOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NANAWear OSWatchOS 9
Apps
Music

All Wearables