Encyclopaedia Britannica for iPhone and iPad offers a comprehensive knowledge source with over 100,000 expertly written and fact-checked articles covering a wide range of topics from Astronomy to Zebras. The app includes photographs, maps, charts, and graphs to enhance the learning experience.

Test your knowledge with engaging quizzes on history, pop-culture, literature, science, and more. The "LinkMap" feature allows users to explore related topics dynamically, while "My Britannica" personalizes the experience by keeping track of favorite articles.

Free to download, the app provides access to 65,000 articles for free. For an ad-free experience and access to 100% of the content, users can subscribe for $14.99 annually.