
Lectio PDF Reader & Bookshelf
iCloud, Dropbox, Google Drive
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Free
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About
A PDF bookshelf for iPhone and iPad.
Bring in PDFs from iCloud Drive, Google Drive, OneDrive, Dropbox or the Files app, and read them like books in two-page spreads.
Made for you if
• You want to read scanned books and comics on iPhone or iPad the way you read paper books
• Your PDFs are spread across cloud services and you want them on one shelf
• You read right-to-left books and want the spreads in the right order
• You need to get back to that one page of a paper or document quickly
Collect: put every PDF on one shelf
From "Add PDF", bring in PDFs from any place that appears in the Files app, such as iCloud Drive, Google Drive, OneDrive and Dropbox. You can also add files by choosing them in the Files app, opening Lectio from the share sheet in another app, or dragging and dropping them. Install a document app such as Google Drive, and you can bring in its files through the Files app. The same PDF is never added twice, and password-protected PDFs can be added too. Books are kept on your device, so you can read them without a connection. Lectio only reads your cloud files and never changes or deletes them.
Read: turn pages like a book
Each book remembers two-page or single-page view, and left or right binding. Right-bound books lay out their spreads from right to left. Swipe or press the arrow keys to turn the page, and tap the page to hide the buttons. Lectio remembers where you stopped, so the next time you open a book you carry on from there.
Find: contents, thumbnails and text search
Jump to a chapter from the table of contents, or to any page from the thumbnail grid. Search the text of a book and each match is highlighted in yellow. In the library, find books by name.
Organize: favorites, bookmarks and collections
See your favorite books and bookmarked pages in lists. A bookmark keeps the opening words of its page, so you know where you left it. Sort books into collections of your own, and rename books as you like. Deleted books stay in Recently Deleted for 30 days, where you can bring them back.
iPhone, iPad and iPhone Duo
Lectio supports iPhone Duo. Read on the outer display when it is closed, and on the large inner display when you open it. The buttons sit in the vertical bar along the edge, out of the way of the page.
Keyboard, remotes and VoiceOver
Press ⌘F to search, ⌘B to bookmark and ⌘W to close. Pages turn with the arrow keys, so a Bluetooth keyboard or a page-turner remote that sends arrow keys works too. VoiceOver and Dark Mode are supported.
You can also share and print your books.
Start by tapping + in the library to add your first PDF.
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What's New in Lectio PDF Reader & Bookshelf
0.7.0
October 12, 2026
• Lectio now runs on iPhone and iPhone Duo. On iPhone Duo, books fit the screen whether it is closed or open. On narrow screens, two-page books are shown one page at a time. • The reader has been rebuilt, with an easier table of contents, thumbnail grid, text search and printing. • Pinch or double-tap to zoom in on a page. • Add PDFs from the Files app, from "Open in Lectio" in other apps, or by drag and drop. • Share books, and rename them. • Right-bound books now lay out their spreads from right to left. • Many fixes, including adding password-protected PDFs and PDFs with rotated pages. • VoiceOver, Dark Mode and keyboard control are supported.
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