Comparison

Convert PDF to EPUB vs OCRBook

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

Head to head
About

Convert PDF to EPUB

Transform PDF documents into EPUB format for a superior reading experience on electronic devices. This tool ensures accurate conversion, preserving formatting and optimizing text for adjustable screen sizes. Easily import files from your device or cloud storage.

Highlights
  • Fast and accurate PDF to EPUB conversion
  • User-friendly interface
  • Batch file conversion
  • Preserves text, image, and link formatting
  • Automatic EPUB optimization
  • Supports local and cloud documents
Features
Read full description

Easily convert your PDF documents to EPUB files with “Convert PDF to EPUB”, the perfect tool for anyone who enjoys reading on electronic devices or needs to adapt their text for digital reading. Our app converts PDFs to EPUB quickly and accurately, maintaining the highest quality, ideal for reading on tablets, eReaders, or smartphones. With “Convert PDF to EPUB”, you can import documents from your device or cloud and receive an EPUB file perfectly tailored to screen size, with flowing, adjustable text. Unlike PDF, EPUB automatically adapts to the eReader, improving the reading experience and easing navigation through chapters and sections. The app offers a simple, intuitive interface, allowing any user to convert files in seconds. It also supports large documents, images, and tables, keeping the original structure as intact as possible. Key Features: Fast and accurate PDF to EPUB conversion Clean, user-friendly design with no complicated steps Ability to convert multiple files consecutively Maintains text, image, and link formatting Automatic EPUB optimisation for smooth reading Supports local and cloud-stored documents

About

OCRBook

Features
Read full description

Turn scanned books and PDFs into clean, searchable, and easy-to-read text with fast OCR and private AI assistance. OCRBook converts scanned pages into structured text, generates clear summaries, and lets you listen with natural TTS. OCR runs directly on your device, while AI features connect securely to your own home or private AI server — not a public cloud. Key Features - Fast & Accurate OCR Extract text from scanned books, documents, and PDFs Multi-language support powered by Apple Vision Enhanced recognition for curved pages and low-quality scans Batch processing for entire documents - Private AI Summaries Generate chapter or full-book summaries via your personal AI server No public cloud processing or shared infrastructure Ideal for studying, reviewing, and quick understanding You stay in control of where AI processing happens - Natural Text-to-Speech Listen to scanned text with high-quality system voices Continuous reading across pages Adjustable speed and language Background playback supported - Smart File Management Import PDFs from Files, iCloud Drive, or other apps Export OCR results as searchable TXT or ZIP files Organize books with tags and metadata Fast Spotlight search across your library - Powerful Search Instant full-text search across all OCR content Context snippets show exact match locations Filter by book, date, or tags - Privacy-First Design OCR runs locally on your device AI connects only to your own remote or home server No tracking, no analytics, no automatic uploads Your data stays under your control Perfect For Students and researchers Personal ebook digitization Archive and document management Anyone working with scanned PDFs Why OCRBook? Because scanned books should be readable, searchable, and understandable. OCRBook turns raw scans into clean text and pairs them with private AI tools — without handing your data to public cloud services.

Screenshots

Convert PDF to EPUB4 screens
OCRBook4 screens

Verdict

The call

The clearest difference is price: Convert PDF to EPUB at Free against OCRBook's $1.99. OCRBook's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 3 months). On ads, device support and iOS requirement 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

Convert PDF to EPUB is free to download; OCRBook costs $1.99 up front. Convert PDF to EPUB sells 1 one-off in-app purchase. OCRBook asks for nothing beyond the download.

UpkeepUpdate frequency

Convert PDF to EPUB ships an update every 3 months, OCRBook every 8 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
Convert PDF to EPUB versus OCRBook: the parameters behind the verdict, then further details
ParameterConvert PDF to EPUBOCRBook
PriceFree — better$1.99
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.6
Further details — not scored
Size23 MB14 MB
Age rating4+4+
DeveloperAntonio Gonzalez de la aleja germanFiveStar AI

In-app purchases

1 purchases

Convert PDF to EPUB

One-time1
  • Remove Ads$2.99
None

OCRBook

No in-app purchases

Questions

Is Convert PDF to EPUB free?
Convert PDF to EPUB is free to download, with in-app purchases available.
Is OCRBook free?
OCRBook costs $1.99, with no in-app purchases.
Do Convert PDF to EPUB or OCRBook have ads?
Neither Convert PDF to EPUB nor OCRBook shows ads.
Which is updated more often, Convert PDF to EPUB or OCRBook?
Convert PDF to EPUB ships an update every 3 months, and OCRBook every 8 days. Most recently, Convert PDF to EPUB was updated on October 28, 2026 and OCRBook on October 25, 2026.

Other comparisons