diple. vs Marginal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
diple.
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diple is a reading room, not a feed. Open a book and start reading. No recommendations, streaks, social features, or anything else competing for your attention. The reader is deliberately quiet. Adjust the type size, margins, line spacing, paper tone and accent color until the page feels right. EPUBs, PDFs and saved articles all live in the same library, and diple always remembers exactly where you stopped. READ • Open EPUB and PDF files from Files, iCloud Drive, or the share sheet • Paste a link to turn an article into a clean reading view • Adjust type size, margins and line spacing • Choose from four paper tones, including true black • Read with Atkinson Hyperlegible or OpenDyslexic, included with the app • Pick from five accent themes, each with its own Home Screen icon MARK • Highlight any passage in one tap • Add a note directly beside the text that prompted it • Keep bookmarks for pages you want to return to • Jump through the chapter outline • Search the full text of a book REMEMBER Highlights in diple aren't a dead archive. Browse them by book or across your whole library. Turn a passage into a proper note with Markdown, links, tags, tasks and math. Search books, highlights and notes from one place. Second Read gives you a way back into what you've already read: the passages you marked, the notes you made, and the ideas worth seeing again. If you want, diple can also resurface one old highlight each day. YOURS Your library belongs to you. • No account and no sign-up • No developer-operated server • No ads • No tracking • No analytics SDKs • No reading history sent anywhere iCloud sync is optional and disabled by default. If you enable it, your library is stored only in your private iCloud account. The developer cannot access it. You can export your entire library — books, highlights and notes — as a single JSON file at any time. diple is completely free. No subscription, paid tier, or in-app purchases. It's also open source, so you don't have to take the privacy claims on trust. diple. Read. Mark. Remember.
Marginal
This app allows you to annotate books by highlighting lines and writing notes directly beside them. Your annotations stay with the sentence, even when text size changes. It also offers exclusive "Marginal Edition" versions of classic books with added context.
- Handwritten notes beside text
- Highlighting and note export
- iCloud sync across devices
- Import DRM-free EPUBs
- Exclusive Marginal Editions
- Optimized for iPhone Duo and iPad
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Marginal gives the reader back the margin. Highlight a line, write beside it by hand, or add a note, and everything stays with the sentence it belongs to. Read our exclusive Marginal Edition versions of The Odyssey and The Great Gatsby with a wealth of context and explanation collected beside the text -- and more on the way. A MARGIN OF YOUR OWN • Write by hand beside any passage, with Apple Pencil or a fingertip. Your ink belongs to its sentence, not to a page, so it stays beside those words when you change the type size, turn the phone, or pick up another device. • Highlight a line and add a note to it, then export your notes and highlighted passages whenever you like, as clean Markdown. • Your notes and your place follow you across your devices with iCloud. ANY BOOK YOU BRING Open any DRM-free EPUB in Marginal and mark it up the same way. It keeps its own cover, its contents page and its links, and if it has footnotes of its own, Marginal moves them into the margin, beside the lines they belong to. MARGINAL EDITIONS Every great book takes for granted things its first readers knew: the places, the people, the books everyone had read. A Marginal Edition collects them and sets them beside the page: footnotes, essays, criticism and maps, each next to the line it explains. Tap an underlined phrase and its note lights up in the margin; tap a note and the book takes you to its line. Two come free with Marginal, with more on the way: • The Odyssey, in Samuel Butler's translation, with Matthew Arnold and Andrew Lang on Homer, Butler's own case that the poem was written by a woman, and a map of Odysseus's wanderings • The Great Gatsby, with the books behind it (Keats, Conrad, Petronius's feast of Trimalchio, Veblen on the leisure class), H. L. Mencken's review of 1925, and a map of West Egg, East Egg and the valley of ashes MADE FOR IPHONE DUO, READY FOR EVERY IPHONE AND IPAD Reading a book and want to dive deeper? Unfold iPhone Duo and the book takes one screen, its margin the other, scrolling together line for line. Write in its margin with a fingertip, or with Apple Pencil when iPhone Duo supports it. Fold it closed and keep reading on the cover, right where you were. On any other iPhone, turn it sideways and the page divides into the book and its margin; upright, every note is a tap away. On iPad, the margin is always open. Marginal is free, has no ads, and collects nothing about you.
Screenshots
Verdict
The clearest difference is update cadence: Marginal at every 3 days against diple.'s weekly. diple.'s advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
diple. ships an update weekly, Marginal every 3 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.
| Parameter | diple. | Marginal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Mac | iPhone, iPad |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 30 MB | 22 MB |
| Age rating | 4+ | 17+ |
| Developer | Aliaksei Krauchanka | Jeff Greco |
In-app purchases
diple.
No in-app purchases
Marginal
No in-app purchases





