多多扫描 vs PureScan

多多扫描是一款专业的手机文档扫描工具，帮助您随时随地将纸质文档数字化。 主要功能： - 文档扫描：智能边缘检测，自动裁剪矫正 - 文字识别（OCR）：提取图片中的文字，支持复制编辑 - 多页扫描：批量扫描多页文档，统一管理 - 图像增强：多种滤镜优化扫描效果 - PDF导出：一键生成PDF文件，方便分享 - 证件照制作：支持多种尺寸证件照 - 电子签名：在文档上添加手写签名 - 水印添加：自定义文字水印保护文档 - 文件夹管理：分类整理您的扫描文档 适用场景：合同、发票、证件、笔记、书籍、白板等各类文档的扫描和数字化处理。 使用条款（EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

PureScan —— Your truly private on-device document scanner, OCR text extractor, and digital file manager. Tired of expensive weekly subscriptions, intrusive pop-up ads, forced export watermarks, or worrying about confidential contracts and personal IDs uploaded to cloud servers? PureScan is crafted with a single mission: Absolute Privacy & Peak Efficiency. Every edge crop, OCR recognition, full-text index, and PDF encryption runs strictly on your iPhone via the Apple Neural Engine. No network connection, no cloud upload, and zero data tracking. 【Why Users Around the World Love PureScan】 • 100% On-Device Processing: Documents never leave your device. Works offline in airplane mode with zero mobile data consumption. • Instant Full-Text Search: Automatically indexes document content locally. Type any word to locate the exact page in milliseconds. • Professional Searchable PDF: Exports native PDFs with aligned invisible text layers for easy selection, copying, and desktop search. • Completely Clean & Honest: Lifetime buyout (no subscription traps), zero ads, and zero third-party analytics SDKs. 【Powerful Core Features】 1. Smart Document Camera: - Powered by Apple VisionKit for instant automatic edge detection and multi-page continuous capture. - Manual 8-point corner adjustment with a 2.5× precision magnifying loupe. 2. ID Card & Passport A4 Stitching: - Capture front and back sides of driver’s licenses, IDs, or passport cards with built-in visual guides. - Automatically arranges both sides onto a standard 1:1 scale A4 sheet for instant color or B&W printing. 3. Security Anti-Theft Watermarking: - Built-in presets such as "FOR OFFICIAL USE ONLY" and "CONFIDENTIAL COPY". - Full-bleed diagonal tiling with customizable color (Gray, Red, Blue) and opacity to prevent identity theft. 4. Quick Screenshot & Photo OCR: - One-tap quick extract on the home screen automatically loads your latest screenshot. - Pre-warmed neural engine ensures zero lag, instant recognition, and one-tap text copying. 5. Page Management & Fast Sharing: - Grid thumbnail view, drag-and-drop page reordering, single-page deletion, rescanning, and rotation. - Share or save individual pages instantly without sending unnecessary pages. 6. Document Categories & Smart Search: - Organize files with customizable category capsules on the home screen. - Search across document titles and OCR text with highlighted context snippets. 7. Multi-Format High-Quality Export: - Searchable PDF (with embedded text layer and zero white-edge fit). - Password-protected PDF with standard AES encryption. - High-resolution multi-page long image (JPEG) or raw TXT text. 【Perfect For】 • Business & Office: Contracts, expense receipts, NDAs, invoices, whiteboard notes. • Students & Educators: Lecture slides, study notes, book digitization, research papers. • Personal Records: IDs, passports, insurance cards, tax documents, warranty certificates. 【Our Privacy Promise】 • PureScan does not request internet access permissions. • Camera access is used solely for document capture; Photo Library access is requested only when saving images. • What's on paper stays on your iPhone. —— For support or feedback, please reach out via "More → Feedback & Suggestions" inside the app.