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Opal Reader

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 av…

DTResearch & learningDTContent / resourceDTiOS

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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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  1. Product Hunt 新品

    Nov 10, 2026 · 1 observations

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