BookScan vs PDF Reader
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
BookScan
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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
PDF Reader
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Listen to any PDF, document or photo of text, read aloud by natural AI voices. Follow every word as it's highlighted, speed it up, and save the audio as an MP3 to take anywhere. Try it free. BRING IN ANYTHING ⢠Import PDF, Word (DOC, DOCX) and TXT files from Files or any app ⢠Upload photos of text (JPG, PNG, WebP) or scan paper pages with your camera ⢠Or simply paste text LISTEN AND FOLLOW ALONG ⢠Natural AI voices in 70+ languages, with the language detected for you ⢠Every word is highlighted as it's read, so you never lose your place ⢠Light, sepia and dark themes and four text sizes for comfortable reading ⢠Playback from 0.5Ć to 2Ć, with skip controls TAKE IT WITH YOU ⢠Download the narration as an MP3 for offline listening ⢠Export the transcript as a text file ⢠Keeps playing in the background with the screen off ⢠Your library remembers where you stopped in every document GREAT FOR ⢠Studying: lecture notes, papers and textbooks ⢠Commutes, workouts and chores ⢠Proofreading your own writing by ear ⢠Dyslexia, low vision or simply tired eyes ⢠Hearing a new language read aloud SUBSCRIPTION PDF Reader is free to download and try. Standard and Pro unlock more reading time and are available as weekly, monthly or annual auto-renewing subscriptions. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Privacy Policy: https://nativespeech.app/privacy-policy Terms of Use: https://nativespeech.app/terms-of-service
Screenshots
Verdict
The clearest difference is update cadence: BookScan at monthly against PDF Reader's every 3 months. On price, ads, in-app purchases 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
Both are free to download. BookScan sells 4 in-app purchases, starting at $4.99 per 7 days and PDF Reader sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
BookScan ships an update monthly, PDF Reader every 3 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.
| Parameter | BookScan | PDF Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly ā better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details ā not scored | ||
| Size | 92 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | ISOMEM, Inc. | KTC Technology |
In-app purchases
BookScan
- Unlimited Access$4.997 Days
- Unlimited Access3 Days trial$4.997 Days
- Unlimited Access$29.991 Year
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- Unlimited Access3 Days trial$29.991 Year
PDF Reader
- Weekly Standard$2.997 Days
- Weekly Pro$6.997 Days
- Monthly Standard$8.991 Month
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- Monthly Pro$19.991 Month
- Annual Standard$71.991 Year
- Annual Pro$159.991 Year





