Comparison

1dollarscan Reader for iPhone vs Episteme

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

Head to head
About

1dollarscan Reader for iPhone

Transform scanned book pages into optimized eBooks for your iPhone or iPad. Enjoy reading with features like bookmarks, memos, and brightness adjustments. Access your library anytime, anywhere.

Highlights
  • Optimized scanned eBooks
  • Memos for files
  • Page bookmarking
  • Thumbnail navigation
  • Brightness adjustment
  • Page-turning animation
  • Pinch zoom
Features
Read full description

[Detail] Your book becomes an eBook for iPhone and iPad !!! 1dollarscan application developed by zLibro Inc. is a special tool for users to download PDF files scanned from actual books and enjoy reading eBook on iPhone and iPad. The PDF files craeted with 1dollarscan Fine Tune technology, are optimized and tuned for your device(iPhone, iPad). You can enjoy reading the PDF files without any stress, like as reading actual books. 1dollarscan application has many features,  - Record your feedback for each file  - Taking a memo for each file  - Bookmark on the page, which is good to get back later and so on. You can enjoy reading optimized scanned eBooks by 1dollarscan application anytime, anywhere you want. [How to get] 1. Download 1dollarscan application from App Store. 2. Accesss to 1dollarscan and create your account.     [Note] : Please make your actual book scanned by 1dollarscan service and tuned by 1dollarscan Fine Tune.              Without tuning the file, 1dollarscan application does not work. 3. After creating your account, launch 1dollarscan application and login by email address and password. 4. Access the page of 1dollarscan file lists and download files. 5. Once download is completed, you can enjoy reading any eBook from My Library. [Features] - 1dollarscan Fine Tune : optimize and tune for each device(iPhone, iPad) - Memo : Record your feedback and memo for each file - Bookmark : Bookmark on page and easy to get back the page - Thumbnail : Display thumbnails on the bottom and direct access to the page - Bright adjustment - Switch animation of page-turning - Pinch in, Pinch out

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

1dollarscan Reader for iPhone4 screens
Episteme4 screens

Verdict

The call

The clearest difference is in-app purchases: 1dollarscan Reader for iPhone at none against Episteme's 5. 1dollarscan Reader for iPhone also leads on iOS requirement (8.0 vs 17.0). Episteme's advantage is update cadence (every 3 days vs every 62 months). On price, ads 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. Episteme sells 5 one-off in-app purchases. 1dollarscan Reader for iPhone asks for nothing beyond the download.

UpkeepUpdate frequency

1dollarscan Reader for iPhone ships an update every 62 months, Episteme every 3 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
1dollarscan Reader for iPhone versus Episteme: the parameters behind the verdict, then further details
Parameter1dollarscan Reader for iPhoneEpisteme
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 62 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better17.0
Further details — not scored
Size43 MB102 MB
Age rating4+12+
Developer1dollarscanAryan Raj

In-app purchases

None

1dollarscan Reader for iPhone

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 1dollarscan Reader for iPhone free?
1dollarscan Reader for iPhone is free to download, with no in-app purchases.
Is Episteme free?
Episteme is free to download, with in-app purchases available.
Do 1dollarscan Reader for iPhone or Episteme have ads?
Neither 1dollarscan Reader for iPhone nor Episteme shows ads.
Which is updated more often, 1dollarscan Reader for iPhone or Episteme?
1dollarscan Reader for iPhone ships an update every 62 months, and Episteme every 3 days. Most recently, 1dollarscan Reader for iPhone was updated on November 1, 2026 and Episteme on October 31, 2026.

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