Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Apple Series 6 vs. Apple Watch Ultra

 
Ionic
On Full Guard
Charge 3
Series 6
Watch Ultra
 FitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$299$325$150$399$799
Release20172017201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day7 daysNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250454 x 45466 x 18384 x 480502x410 pixels
Size1.421.4 inches.721 inches40mm1.92 inches
Touch
TypeOLEDOMOLEDOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIP675 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0NAWatchOS 5WatchOS 9
Apps
Music

All Wearables