National Geographic is a free educational app for iPhone users developed by Disney Electronic Content Inc. With this app, you can explore the world and expand your knowledge on various topics. The app offers a wide range of stories on animals, culture, history, science, and more, which are updated daily to keep you engaged.

The app provides an immersive, ad-free reading experience, making it easy to focus on the content. The stories are personalized based on your interests, ensuring that you get the most relevant content. You can also subscribe to Nat Geo Premium to unlock even more features, including access to a century of archives, downloadable articles for offline reading, and digital viewing of their award-winning magazine.

If you are already a paid subscriber to National Geographic, you can access the app for free by linking your account. The app also provides an option to turn off auto-renew or cancel your subscription at any time from your iTunes account settings.

With National Geographic, you can broaden your thinking every day with compelling stories that challenge you to see a new point of view and dive deep into the topics you care about, from protecting the planet to unraveling mysteries and more.