Support

Open the Library and tap “+”, then choose a PDF from the Files app.

Yes. Open the book's details in the Library to edit its title, author and cover.

Select text in the reader and choose one of the 6 highlight colors. You can attach a note to any highlight. Highlights are grouped by chapter.

Bookmarks capture the chapter and the first line of the page, so you can recognize them at a glance.

Use the export option in the highlights panel to share them using the iOS share sheet.

A page, a chapter, a page range, a selection, your highlights, or the whole document, as a summary, key points, a simple explanation, or study questions that can become flashcards.

No. On iOS 26+ devices that support Apple Intelligence, summaries use it. Otherwise, an on-device extractive fallback is used.

Automated summaries can contain errors or omit details. Please verify important information against the original text.

Password-protected or scanned (image-only) PDFs may not open or may lack text for chapters and summaries. Try a text-based PDF. If the problem continues, email us.

Your library, highlights and notes are stored on your device. Deleting the app removes them unless you have a device backup. See the Privacy Policy.