What's a good iOS app for accessing and interacting with digital textbooks and learning materials?

Kortext provides a comprehensive platform for students and educators to engage with digital learning materials. It allows you to access your textbooks and other course resources from your iPhone or iPad, making studying more convenient. You can highlight text, add notes, and even collaborate with classmates directly within the app. The offline access feature ensures you can study even without an internet connection. Kortext also offers interactive elements like videos and quizzes, enriching the learning experience. With its user-friendly interface and powerful features, Kortext aims to make learning more accessible, engaging, and effective for students of all levels. The app also offers features such as search functionality, allowing users to quickly find specific information within their textbooks, and the ability to create flashcards for efficient studying.