PDF Scanner OCR vs Duna's AI Scanner

The Last PDF Scanner You'll Ever Need Stop paying monthly for basic tools. Smart Scan delivers professional document scanning, powerful PDF control, and private file management — all in one offline-first app. Built for professionals, students, and anyone who needs a fast, reliable document scanner with OCR and PDF tools — without subscriptions. WHY SMART SCAN STANDS OUT Unlike cloud-based scanner apps, Smart Scan works fully offline and keeps your files private. 100% Offline Scanner – No internet required Complete Privacy – Your scans never leave your device No Watermarks – Ever No Ads – Clean, distraction-free experience ADVANCED SCANNER & OCR Scan documents with precision and clarity: Automatic edge detection Smart perspective correction High-quality image enhancement Real-time OCR text extraction Convert images to PDF instantly Scan receipts, contracts, notes, IDs, and more in seconds with a powerful scanner and text recognition engine. ID, RECEIPT & CARD SCANNER Built for real-world productivity: ID scanner with smart formatting Business card scanner with contact extraction Receipt scanner for expense tracking Whiteboard and document scan modes YOUR PRIVATE DOCUMENT HUB Turn your iPhone into a secure document scanner and file manager: Access files from your browser (PC or tablet) — no cables needed Fast wireless transfer over your local network Upload, organize, and manage your PDFs with ease Local-only access — nothing goes through the cloud POWERFUL PDF EDITOR & SIGNATURE TOOLS Take full control of your documents: Sign PDFs with ease Annotate and fill forms Compress and optimize PDFs Add watermarks Face ID & password protection ONE-TIME PAYMENT. NO SUBSCRIPTION. Pay once. Use forever. $3.99 lifetime access No recurring fees No locked features Free 7-day trial OPTIONAL AI FEATURES (ADVANCED MODE) Take documents further with optional AI tools: Summarize long documents Translate text instantly Rewrite or simplify content Convert text to audio These features connect using your own AI API key, so you stay in control of your data and costs — no subscription markup, no middleman. Download Smart Scan today and experience a faster, private, offline PDF scanner.

Duna AI Scan is the fastest, most private way to scan and organize your documents on iPhone. Point your camera, capture, done. Built-in AI auto-detects edges, removes shadows, sharpens text, and runs OCR locally — without uploading anything to a server. WHY DUNA • Lightning-fast capture with auto edge detection and perspective correction • Import existing photos from your library — same Magic Filter & OCR as a fresh capture • Add pages to any document later, from the camera or your photo library • Magic Filter v2 with shadow removal — clean scans even under uneven lighting • On-device OCR (text recognition) in English and Vietnamese • Smart auto-tagging: invoices, receipts, ID cards, contracts, business cards • Auto-extract key fields: vendor, total amount, date, tax ID, due date, notes • Multi-page documents with reorder, rotate, crop, and re-shoot per page • PDF export, deterministic file naming, and clean folder organization PRIVATE VAULT • Tap to lock any document with AES-256-GCM encryption • Unlock with Face ID, Touch ID, or your own passphrase • Blurred thumbnails so sensitive docs never preview accidentally • Anti-screenshot redaction on the lock screen • Encryption keys stored in iCloud Keychain — your private documents follow you across devices, encrypted end-to-end ZERO BACKEND, FULL SYNC • Documents sync via your own iCloud account (CloudKit Private Database) • Nothing ever touches our servers • Sign in with Apple — no email, no password, no tracking BUILT FOR PROFESSIONALS • Send any document JSON payload to your own webhook (Gateway tab in Settings) • Deterministic JSON Schema v1 — perfect for accounting and ERP automation • Future-ready for team workflows and BizConnex integration PRIVACY FIRST • OCR runs entirely on-device using Apple's Vision framework • AI extraction uses Apple Intelligence (on supported devices) — never leaves your iPhone • No analytics, no third-party tracking SDKs, no behavior profiling • Banner ads are clearly labeled and respect App Tracking Transparency ACCESSIBILITY • Dynamic Type • Full VoiceOver support on all primary screens • Reduce Motion respected REQUIREMENTS • iPhone running iOS 17 or later • iCloud account (optional, for sync) • Apple Intelligence (optional, for advanced field extraction on iPhone 15 Pro and newer) QUESTIONS? hoainam8x@gmail.com PRIVACY POLICY: https://hoainam8x.github.io/ai-scanner/privacy TERMS OF SERVICE: https://hoainam8x.github.io/ai-scanner/terms