Fitbit Alta HR vs. Fitbit Charge vs. Fitbit Charge 3 vs. Diesel On Full Guard 2.5 vs. Apple Watch 8

 
Alta HR
Charge
Charge 3
On Full Guard 2.5
Watch 8
 FitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$130$150$325$499
Release20172014201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days7 days4 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 36NA66 x 18454x454340 x 272 or 390 x 312
Size1.4 inchesNA.721 inches1.39 inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWear OSWatchOS 9
Apps
Music

All Wearables