BotGem vs PrivScanner

BotGem(formerly known as AMA/ 问天) is an intelligent chat assistant app that uses advanced natural language processing technology to understand and respond to your text messages. You can use BotGem to ask questions, share ideas, seek advice, or just have a casual chat.

PrivScanner: Next-Generation Offline AI Scanning Tool PrivScanner is an intelligent scanning application built for students, educators, and professionals. Capture lecture slides, meeting presentations, whiteboards, and paper documents — then export as searchable PDF, editable Word, or print-ready Reflow PDF. Key Features - High-Precision Offline OCR: Apple Vision-powered text recognition runs entirely on-device. No internet required, no data ever uploaded. - AI Smart Cropping & Perspective Correction: Automatically detects document edges and corrects perspective distortion, delivering clean, professional scans. - New OCR Preview: See recognized text overlaid directly on the document layout — true WYSIWYG before you export. - Three Pro Export Formats: - Searchable PDF: Preserves original layout with selectable, copyable, searchable text layer. - Editable Word (.docx): Text reflows into formatted paragraphs (12pt, first-line indent), ready for editing. - Reflow PDF: Auto-paginated to A4 with clean margins — perfect for reading and printing. - Batch Processing: OCR and export up to 50 images in one go, with real-time progress tracking. - Fast Image to PDF: Quick, free conversion of multiple images into a single PDF for easy storage and sharing. - EXIF-Aware Sorting: Photos are automatically sorted by capture time so your lecture notes stay in order. - Supports 10 system interface languages plus all recognition languages provided by the Vision framework. User Experience Principles - Privacy First: All processing happens locally on your device. Your photos and documents never leave your iPhone or iPad. - 100% Ad-Free: Minimalist, focused UI with zero advertisements, zero tracking, zero notifications. - Exceptional Performance: Native Swift development on iOS 16+. Compact, fast, and battery-friendly. Problems We Solve - Classroom & Lecture Capture: Snap photos of projected slides and whiteboards. PrivScanner auto-detects and crops screen areas, saving hours of manual editing. - Sensitive Document Scanning: Worried about cloud privacy? Every scan stays offline — ideal for confidential papers, contracts, and personal notes. - Bulk Digitization: Processing large handouts one by one is tedious. PrivScanner handles large batches in a single session, quickly and reliably. We Value Your Feedback If you have any suggestions or issues, please contact us via email: - afforwork@outlook.com Terms of Service and Privacy Policy - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - https://thinkworld.club/privacy6.html Thank you for choosing PrivScanner — your offline, private, and intelligent scanning companion.