Comparison

Timebound EPUB Reader vs Episteme

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

Head to head
About

Timebound EPUB Reader

Read full description

Timebound is a focused reader for your own DRM-free EPUBs — and a library of thousands of free classics to fill it. Import the books you already have — from Files, iCloud Drive, or AirDrop — and read them in a calm, page-turning view built for long stretches. Or browse the built-in Project Gutenberg catalog and download complete, public-domain classics — Austen, Melville, Shelley, and thousands more — free and yours to keep. • Browse and search thousands of free public-domain books, and download them in a tap • Adjustable typography: typeface, size, margins, line spacing, and justified or left-aligned text • Light, sepia, and dark reading themes, or match the system • Turn pages or scroll continuously • Search the full text of any book • Table of contents and tap-to-resume — always back to your exact place • A tidy library with cover, list, and grid views • See your place as a percent, a book-wide position, or a chapter page No store, no accounts, no DRM — just a nicer place to read the books that are already yours. Books in the catalog are provided by Project Gutenberg (gutenberg.org). Timebound is independent and is not affiliated with or endorsed by Project Gutenberg. Catalog browsing relies on Project Gutenberg's public service and may be unavailable at times or change in a future update; the reader and your own imported books always work regardless.

About

Episteme

Features
Read full description

Episteme Reader is an offline-first, privacy-focused document and e-book reader. It supports PDF, EPUB, MOBI, AZW3, FB2, ODT/FODT, DOCX, Comics, Markdown, HTML, and plain text files. • Two Reading Modes Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats. • PDF Annotations Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity. • Custom Fonts Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported. • Text Selection & Search Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs. • Text-to-Speech Listen to any document using your device's TTS engine. • Smart Tools (Pro) Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material. • Library & Organization Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly. • Local Folder Sync Point Episteme at a folder on your device to automatically import and track books. • Privacy Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.

Screenshots

Timebound EPUB Reader4 screens
Episteme4 screens

Verdict

The call

The clearest difference is in-app purchases: Timebound EPUB Reader at none against Episteme's 5. On price, update cadence, ads 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. Episteme sells 5 one-off in-app purchases. Timebound EPUB Reader asks for nothing beyond the download.

UpkeepUpdate frequency

Timebound EPUB Reader ships an update every 5 days, Episteme every 3 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Timebound EPUB Reader versus Episteme: the parameters behind the verdict, then further details
ParameterTimebound EPUB ReaderEpisteme
PriceFreeFree
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size25 MB102 MB
Age rating4+12+
DeveloperCow Cow Technologies LLCAryan Raj

In-app purchases

None

Timebound EPUB Reader

No in-app purchases

5 purchases

Episteme

One-time5
  • Wallet Top-Up $1$0.99
  • Wallet Top-Up $5$4.99
  • Episteme Pro$5.99
Show 2 more
  • Wallet Top-Up $10$9.99
  • Wallet Top-Up $20$19.99

Questions

Is Timebound EPUB Reader free?
Timebound EPUB Reader is free to download, with no in-app purchases.
Is Episteme free?
Episteme is free to download, with in-app purchases available.
Do Timebound EPUB Reader or Episteme have ads?
Neither Timebound EPUB Reader nor Episteme shows ads.
Which is updated more often, Timebound EPUB Reader or Episteme?
Timebound EPUB Reader ships an update every 5 days, and Episteme every 3 days. Most recently, Timebound EPUB Reader was updated on October 24, 2026 and Episteme on October 29, 2026.

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