Comparison

Codex Reader Early Access vs Brevier

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

Head to head
About

Codex Reader Early Access

Organize and enjoy your existing digital books and audiobooks in one unified library. Seamlessly switch between reading and listening with synchronized text and narration, all accessible offline. Customize your reading experience with extensive options and device integrations.

Highlights
  • Unified book and audiobook library
  • Readaloud synchronized text and narration
  • Offline access to downloaded content
  • CarPlay and Siri integration
  • Customizable typography and playback
  • Home Screen widgets and Live Activity
Features
Read full description

Codex Reader turns the books you already own into one library you can read and listen to. Connect your own sources — Plex, Audiobookshelf, OPDS catalogs, and Storyteller — or bring files straight in from the Files app. Your EPUBs, M4Bs, and MP3 audiobooks all land in a single shelf. READ AND LISTEN, TOGETHER Readalouds keep the text and the narration in sync, highlighting each line as it's spoken. Switch between reading and listening whenever you like and pick up exactly where you left off. BUILT FOR iOS CarPlay for the drive. Siri and Spotlight to jump straight into a book. Home Screen widgets and a Live Activity for what you're in the middle of. Everything works offline once downloaded. MADE YOURS Choose your app icon, tune typography and playback to taste, organize shelves and reading lists, and follow authors or servers to hear about new arrivals. Codex Premium adds iCloud sync so your place in a book follows you between devices.

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

Codex Reader Early Access4 screens
Brevier4 screens

Verdict

The call

The clearest difference is update cadence: Brevier at every 3 days against Codex Reader Early Access's every 2 weeks. Codex Reader Early Access's advantage is iOS requirement (16.4 vs 27.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Codex Reader Early Access sells 1 one-off in-app purchase 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

Codex Reader Early Access ships an update every 2 weeks, Brevier every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 7 level
Codex Reader Early Access versus Brevier: the parameters behind the verdict, then further details
ParameterCodex Reader Early AccessBrevier
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.4 — better27.0
Further details — not scored
Size110 MB8 MB
Age rating4+4+
DeveloperCameron GreenHK Softworks AB

In-app purchases

1 purchases

Codex Reader Early Access

One-time1
  • Codex Premium$6.99
2 purchases

Brevier

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

Questions

Is Codex Reader Early Access free?
Codex Reader Early Access is free to download, with in-app purchases available.
Is Brevier free?
Brevier is free to download, with in-app purchases available.
Do Codex Reader Early Access or Brevier have ads?
Neither Codex Reader Early Access nor Brevier shows ads.
Which is updated more often, Codex Reader Early Access or Brevier?
Codex Reader Early Access ships an update every 2 weeks, and Brevier every 3 days. Most recently, Codex Reader Early Access was updated on October 31, 2026 and Brevier on November 6, 2026.

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