Comparison

Ghostreader AI vs Brevier

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ghostreader AI

Features
Read full description

Ghostreader is the e-reader that reads with you. Bring books, papers, and articles into one private reading workspace, then ask questions, follow ideas, and return every answer to its source. READ WITH GHOST • Ask questions grounded in the text in front of you • Highlight a passage to explain it, define it, or ask a follow-up • Chat with one book, a selected set, or your whole library • Check cited source passages instead of taking an answer on faith • Listen with natural read-aloud while the page stays visible KEEP A PRIVATE READING MEMORY • Turn saved highlights, notes, and page-linked questions into inspectable ideas • See meaningful connections across books without turning reading progress into a public profile • Search what you kept and review a human-readable activity history BUILD IN BOOK STUDIO • Create cited comparisons, evidence tables, literature reviews, outlines, maps, briefs, and reading plans • Let Ghostreader find relevant passages automatically, or pin the exact passages you want • Revise artifacts without losing their source snapshot or version history READ WITH FRIENDS • Share one sourced page, note, or question with people you choose • Catch up through a finite Today table instead of an endless ranked feed • Read together in invite-only rooms with quiet, qualitative signals • Reply by branching from a passage in your own copy Friends is optional. Your library, private highlights, reading position, Reading Memory, and Studio work are not shared by default. You confirm the audience for every shared page. BRING YOUR OWN READING Import EPUB books, PDFs, Markdown files, research papers, and web articles. Switch supported originals between paged and continuous reading, and keep downloaded EPUB or PDF originals available for offline reading and search. AI explanations, sync, and newly generated work require a connection. Ghostreader includes a free Normie Reader plan with up to three new reading materials per month. Avid Reader is $6.99 per month and removes the monthly import limit. AI reading features are included on both plans. An account is required. Your library is private and is not used to train public AI models. Privacy Policy: https://ghostreader.ai/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Brevier

Features
Read full description

Brevier is a reader for the DRM-free EPUB, PDF, and plain-text books you already have. Highlight, take notes, and with Brevier Premium, ask about any passage and get answers that cite your book. Reading • Pages or continuous scrolling, with page curl on iPhone and iPad • Fonts, text size, spacing, margins, justified text, and themes, including dark • Search inside a book, follow its contents and links, and read footnotes without leaving the page • Bookmark a page and return to it • PDFs keep their own pages, with highlights, notes, search, and Explain • Opens where you left off on each of your devices, and Handoff continues the book you're reading Highlights and Notes • Highlight in five colors or underline, and attach a note • See every highlight and note in one searchable list • Export a book's notes as Markdown, or share a quote as an image Explain (Brevier Premium) • Select a passage and choose Explain for its meaning, context, and background • Explain a page, a chapter, or the whole book, and ask follow-up questions • Answers cite passages from your book, so you can check them • Avoid Spoilers leaves out later chapters until you choose otherwise • Catch Up recaps the story so far Explain asks before it sends anything and uses a third-party AI service in the cloud. Explanations may contain mistakes. Reading Goals • A daily goal, a streak, and the books you finish this year • An optional evening reminder on days you haven't met your goal Your books, notes, and reading positions stay on your device and sync through your own iCloud account. No account, no ads, no tracking. Brevier opens DRM-free EPUB, PDF, and plain-text files. Books protected by DRM, such as most ebook store purchases, and PDFs locked with a password can't be opened. Brevier Premium is an auto-renewable subscription, billed monthly or yearly. Payment is charged to your Apple Account, and the subscription renews unless canceled at least 24 hours before the end of the period. Manage or cancel it in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hksw.io/privacy/#brevier

Screenshots

Ghostreader AI4 screens
Brevier4 screens

Verdict

The call

The clearest difference is update cadence: Brevier at every 3 days against Ghostreader AI's every 10 days. Ghostreader AI's advantage is iOS requirement (17.0 vs 27.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Ghostreader AI sells 1 in-app purchase, starting at $6.99 per month and Brevier sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ghostreader AI ships an update every 10 days, Brevier every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Ghostreader AI versus Brevier: the parameters behind the verdict, then further details
ParameterGhostreader AIBrevier
PriceFreeFree
Update frequencyEvery 10 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better27.0
Further details — not scored
Size9 MB8 MB
Age rating4+4+
Developerlauren brendleHK Softworks AB

In-app purchases

1 purchases

Ghostreader AI

Subscriptions1
  • Avid Reader$6.991 Month
2 purchases

Brevier

Subscriptions2
  • Brevier Premium Monthly7 Days trial$4.991 Month
  • Brevier Premium Annual7 Days trial$39.991 Year

Questions

Is Ghostreader AI free?
Ghostreader AI is free to download, with in-app purchases available.
Is Brevier free?
Brevier is free to download, with in-app purchases available.
Do Ghostreader AI or Brevier have ads?
Neither Ghostreader AI nor Brevier shows ads.
Which is updated more often, Ghostreader AI or Brevier?
Ghostreader AI ships an update every 10 days, and Brevier every 3 days. Most recently, Ghostreader AI was updated on November 5, 2026 and Brevier on November 6, 2026.

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