Comparison

BookScan vs PrivyPDF

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

Head to head
About

BookScan

Features
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Turn any physical book, handwritten notes and document into AI-ready knowledge in minutes. Scan 100 pages in just 3 minutes with your phone. Skip the tedious typing and instantly digitize your entire library. BookScan converts physical books, documents, handwritten notes, and more into clean digital text that works with NotebookLM, Perplexity, and other AI apps. Whether you're a researcher building knowledge bases, a student creating study materials, or a professional archiving important documents, BookScan makes physical text instantly accessible to modern AI workflows. Key Features: - Lightning-Fast Scanning: Scans 100 pages in under 3 minutes. - Superior OCR Accuracy: Advanced optical character recognition technology ensures precise text capture. - AI-Ready Export Formats: Export directly to Markdown, PDF, and plain text formats optimized for knowledge management systems and AI applications. - Multi-Language Support: Recognizes text in English, French, Spanish, Chinese, Korean, Japanese, German, Italian, and Portuguese with native accuracy. - Smart Document Processing: Automatically removes shadows, adjusts lighting, and straightens pages for optimal text recognition. - Privacy-Focused: Your scans and documents are stored locally on your device. Perfect for researchers who need to digitize reference materials, students converting textbooks and handwritten notes for AI-assisted study sessions, professionals archiving physical contracts and reports, and knowledge workers building searchable document libraries. Transform your physical books into a powerful digital knowledge base. Download BookScan today and unlock the knowledge trapped in your physical books! Terms of Use: https://isomem.com/terms-of-use Privacy Policy: https://isomem.com/bookscan-privacy-policy

About

PrivyPDF

Features
Read full description

PrivyPDF lets you chat with your PDF documents using your own AIβ€”powered by Ollama on your local network. Your data stays on your device and your LAN. FEATURES β€’ Chat with the current PDF: ask questions and get answers grounded in the document β€’ Local AI via Ollama: set your server URL and choose Chat, Embedding, and OCR models in Settings β€’ Parse & Index: extract text and optional embeddings; trigger automatically on import (when Ollama is configured) or manually from Library or Chat β€’ Remove documents: long-press a PDF in Library to remove it β€’ Export answers to Markdown, JSON, or Word (RTF) β€’ Library: import, open, and manage multiple PDFs β€’ First-time setup: prompt to configure Ollama Base URL and models SETTINGS β€’ Ollama Base URL, request timeout β€’ Chat, Embedding, and OCR model pickers (refresh from Ollama) β€’ Model temperature slider β€’ Use Embeddings toggle for semantic retrieval β€’ Retrieval options: TopK, history turns, chunk size Requires an Ollama server on your network (e.g. http://192.168.x.x:11434). or LM Studio on your network (e.g. http://192.168.x.x:1234/v1) No cloud; all processing is local or on your LAN.

Screenshots

BookScan4 screens
PrivyPDF4 screens

Verdict

The call

The clearest difference is iOS requirement: BookScan at 15.1 against PrivyPDF's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

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

Both are free to download. BookScan sells 4 in-app purchases, starting at $4.99 per 7 days and PrivyPDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 31, 2026.

Scorecard1 real difference Β· 5 level
BookScan versus PrivyPDF: the parameters behind the verdict, then further details
ParameterBookScanPrivyPDF
PriceFreeFree
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size92 MB8 MB
Age rating4+4+
DeveloperISOMEM, Inc.GUOYU WANG

In-app purchases

4 purchases

BookScan

Subscriptions4
  • Unlimited Access$4.997 Days
  • Unlimited Access3 Days trial$4.997 Days
  • Unlimited Access$29.991 Year
Show 1 more
  • Unlimited Access3 Days trial$29.991 Year
1 purchases

PrivyPDF

One-time1
  • PrivyPDF Pro$9.99

Questions

Is BookScan free?
BookScan is free to download, with in-app purchases available.
Is PrivyPDF free?
PrivyPDF is free to download, with in-app purchases available.
Do BookScan or PrivyPDF have ads?
Neither BookScan nor PrivyPDF shows ads.
Which is updated more often, BookScan or PrivyPDF?
BookScan ships an update monthly, and PrivyPDF monthly. Most recently, BookScan was updated on October 31, 2026 and PrivyPDF on October 31, 2026.

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