Opal Reader
Read PDFs and EPUBs on iPhone Duo
BooksProductivityiOS
▲ 183 votes18 commentsLaunched Nov 10, 2026
Visit WebsiteDaily #7Weekly #9Yearly #6918
Opal Reader is a PDF and EPUB reader with a notebook beside the page. On iPhone Duo, unfold to read your book and your notes together, then fold it closed and keep reading in a compact view with your place saved. Also available on iPhone and iPad.
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