You can download the National Geographic App through the Apple App Store or Google Play Store. The App is compatible with mobile devices running iOS 9.0 and above and Android 4.1 and above.

To use the app you will need to be 18+ years or 15-17 years with parental permission, and either have an eligible Optus service or sign up for a 30-day free trial of the app.

You can check your eligibility and sign up for the trial within the app itself, or see Can I get the National Geographic App?

Download the app here.

For steps on logging in to the App click here.