# PureScan: PDF Document Scanner — No Ads & Watermark, Local OCR > Local, private PDF document scanner with on-device OCR and searchable export. (iPhone/iPad app by Anwa Leo.) - Source: https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388 (this page in markdown: same URL + `.md`) - Developer: [Anwa Leo](https://appshunter.io/developer/548912964) - Category: Utilities, Productivity - Price: Free - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: Chinese (Simplified, China), American English - Released: 2026-07-17 - Data updated: 2026-09-08 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388/reviews.md ## What is PureScan? PureScan — Your private document scanner and search library. Tired of expensive subscriptions, intrusive pop-up ads, watermarked exports, or wondering whether your confidential contracts are being uploaded to cloud servers? PureScan is engineered privacy-first: every scan, OCR pass, full-text search, and PDF encryption runs 100% locally on your iPhone. No cloud. No account required. No data collection. WHY PURESCAN • 100% On-Device — Documents never leave your phone. Works fully offline without cellular data or Wi-Fi. • Instant Full-Text Search — On-device OCR automatically indexes every word. Search keywords to jump directly to matching pages with highlighted snippets. • Searchable PDF Export — Generated PDFs include a real selectable text layer. Search and copy text effortlessly on Mac, PC, or iOS. • Free Forever & Pure — Zero ads, zero subscriptions, zero watermarks, and zero third-party analytics SDKs. KEY FEATURES • Smart Capture & Perspective Crop: Fast multi-page scanning with auto edge detection, plus 8-point manual perspective correction with a 2.5× precision magnifier loupe. • Page Manager: Thumbnail grid overview, drag-and-drop page reordering, single-page deletion, and rescan. • Single-Page Sharing: Share or save a single photo directly without exporting the whole document. Long-press any page for quick actions. • Lightning-Fast Full-Text Search: Search across document titles and recognized OCR text with contextual snippet highlights. • Image Enhancement: Original, Enhanced, B&W, and Grayscale filters to remove shadows and maximize text legibility. • Professional Export Suite: - Searchable PDF (with original aspect ratio matching to eliminate margins) - On-Device PDF Password Protection (AES encrypted) - Stitched Long Image (JPEG) & Single High-Res Image export - Plain Text (TXT) extraction and batch save to Photos • Multi-Language OCR: Offline recognition for English, Traditional & Simplified Chinese, Japanese, Korean, and more. PRIVACY YOU CAN TRUST • Zero Network Access: PureScan does not declare internet sockets, ensuring zero data egress. • Your files remain strictly on your device. We cannot and will never access your private documents. • Camera access is used solely to capture documents; Photos access only when you choose to save an export. PERFECT FOR • Work & Business: Contracts, NDAs, invoices, receipts, tax forms, and meeting notes. • School & Study: Lecture slides, textbook pages, study notes, and assignments. • Home & Life: IDs, warranty cards, user manuals, and medical paperwork. HOW WE ARE DIFFERENT Big-name scanners lock features like "Searchable PDF", "Password Protection", and "Full-Text Search" behind steep monthly paywalls while forcing cloud sync. With PureScan, all professional tools are free, private, and permanent. Scan documents. Keep them on your iPhone. — Questions or feedback? Reach out anytime via "Feedback & Suggestions" inside the app. ## Key features - 100% On-Device Scanning - Instant Full-Text Search - Searchable PDF Export - Smart Capture & Perspective Crop - On-Device PDF Password Protection - Multi-Language OCR ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388/reviews.md ### 5/5 — 很棒！扫描操作简单方便 *2026-08-30* 好评推荐 ## Frequently asked questions about PureScan ### Does PureScan have ads? No, PureScan is completely free with zero ads, zero subscriptions, and zero watermarks. The app is designed to be ad-free and provides all its professional tools without any advertisements. ### What devices does PureScan support? PureScan is currently supported on iPhone devices. It was released on July 17, 2026, and its latest version is 1.1.0, last updated on August 29, 2026. ### How does PureScan handle privacy? PureScan is engineered with privacy as a top priority. All scans, OCR, searches, and PDF encryption run 100% locally on your iPhone, with zero network access. Your documents never leave your device. ### Can I search text within my scanned documents with PureScan? Yes, PureScan features instant full-text search powered by on-device OCR. It automatically indexes every word, allowing you to search keywords and jump directly to matching pages with highlighted snippets. ### What are the export options for scanned documents in PureScan? PureScan offers a professional export suite including searchable PDFs with selectable text layers, on-device AES encrypted password protection, stitched JPEG images, single high-res image export, and plain text extraction. ### Is PureScan suitable for business use? Yes, PureScan is perfect for work and business, allowing you to scan contracts, NDAs, invoices, receipts, tax forms, and meeting notes securely and privately on your device. ### Does PureScan require an internet connection to work? No, PureScan works fully offline without cellular data or Wi-Fi. All scanning, OCR, and search functionalities are performed 100% on-device, ensuring it functions without any internet connection. ### What is the age rating for PureScan? PureScan has an age rating of 4+, making it suitable for a wide range of users. It was developed by Anwa Leo and is available for iPhone. ## Version history (last 2 releases) ### 1.1.0 — 2026-08-29 This update turns your scans into searchable documents, not just flat images. WHAT'S NEW: • Full-Text Search: Automatically indexes recognized text on-device. Search any keyword from the home screen with instant context highlights. • Searchable PDF: Exported PDFs now include a real invisible text layer—search and copy text directly on Mac or iPhone. • Single-Page Sharing: Share or save a single page without sending the whole document. Long-press any page for quick actions. • Page Manager: Thumbnail grid overview, single-page deletion, drag-and-drop reordering, and single-page rescan. • Manual Perspective Crop: Fine-tune corners with 8-point perspective correction and a precision magnifier loupe. • Enhanced Export: Original aspect ratio matching (no empty margins), image quality presets, and on-device PDF password protection. • Expanded OCR Languages: Added Traditional Chinese, Japanese, Korean, and more. • Refreshed "More" View: Brand-new interface with a comprehensive Privacy & Trust whitepaper. Still 100% on-device. Zero ads, zero subscriptions, zero watermarks, zero cloud uploads. ### 1.0.0 — 2026-07-18 No release notes. ## More apps by Anwa Leo - [Fit Size Expert](https://appshunter.io/ios/app/fit-size-expert/id548912961) - [Breatheasy: CBT Quit Smoking](https://appshunter.io/ios/app/breatheasy-cbt-quit-smoking/id6757135815) - [Liubai Album: Photo Clean](https://appshunter.io/ios/app/liubai-album-photo-clean/id6762943004) - [PET口语考官](https://appshunter.io/ios/app/pet/id6804247304) All apps by Anwa Leo: https://appshunter.io/developer/548912964 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*