PrivScanner vs Leaf Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrivScanner
This app offers advanced offline AI scanning for documents and PPTs. It converts images to PDF and extracts text to Word, all processed locally for enhanced privacy. Enjoy unlimited, ad-free batch processing for efficient document management.
- Offline AI document and PPT scanning
- Batch image to PDF conversion
- Batch text extraction to Word
- Smart cropping and correction
- Privacy-focused local processing
- Ad-free experience
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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.
Leaf Note
A secure, elegant note-taking app supporting Markdown, end-to-end encryption, and multi-device sync via WebDAV or iCloud. It offers features like flashcards, knowledge base organization, and AI-assisted writing for enhanced productivity.
- End-to-end encryption
- WebDAV and iCloud sync
- Markdown and multimedia notes
- Knowledge base and flashcard modes
- AI-assisted writing
- Elegant design and themes
- Biometric app lock
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Welcome to "Leaf Note" — A dual-platform app focused on Markdown note-taking and knowledge management, supporting WebDAV / iCloud sync, end-to-end encryption, and fully offline functionality. 1. Elegant Design & Personalized Themes Upon opening "Leaf Note" for the first time, you'll be immediately drawn to its minimalist and elegant interface—from smooth interactive animations to delicate card-based layouts, every detail is meticulously polished. We offer multiple themes, whether it's the eye-protecting mode for late-night creation or the bright theme for daytime work, all designed to create an immersive note-taking experience. 2. Bank-Level Security: Dual Encryption for Notes & App Security is at the core of our design philosophy: - Note Encryption: Uses AES 256-bit encryption algorithm with user-defined passwords to protect your private content from prying eyes; - App Lock: Lock the app with biometric verification to prevent unauthorized access. Even if your phone is lost, your knowledge assets are fully protected. 3. Multi-Device Sync: Access Your Note Universe Anytime, Anywhere Break free from device limitations with support for two major cloud services: - iCloud: Automatic syncing, perfect for users accustomed to iCloud storage; - WebDAV: Supports private clouds (e.g., Synology, Nextcloud) to meet advanced user needs. All sync processes use TLS encrypted transmission to ensure secure flow of notes between the cloud and local devices. 4. All-Type Notes: Boundless Recording Methods Whether for text creation or multimedia inspiration capture, "Leaf Note" has you covered: - Markdown Notes: Supports basic syntax like headers, tables, and code blocks, with built-in MathJax formula editing (ideal for science students writing papers) and Mermaid flowcharts/mind maps (efficiently organize logic); - Multimedia Notes: Directly insert images, audio recordings, and hand-drawn sketches; - Web-to-Markdown: One-tap parsing of copied web links, making it easier to save online articles. 5. From Personal Knowledge Base to Flashcard Notes: Flexibly Adapt to Learning Scenarios - Knowledge Base Mode: Build your exclusive knowledge tree with infinite hierarchical directories + tag systems; - Flashcard Note Mode: Single notes support "quick recording," allowing fragmented ideas to spark creative insights. Whether organizing postgraduate exam materials, writing reading notes, or recording entrepreneurial ideas, find the perfect recording method for every need. 6. Powerful Search: Locate Any Note Content in 3 Seconds Enter keywords to quickly and accurately locate notes among vast collections, significantly improving search efficiency. 7. AI-Assisted Writing: Elevate Creative Efficiency Built-in intelligent writing assistant helps break through creative blocks, polishing sentences, distilling key points, and expanding content—say goodbye to writer's block. -------------------- Start Your Creative Journey Now Tap the "New Note" button to begin your first record! For any questions, tap "Help Center" to access detailed tutorials or contact customer service. Build your knowledge palace with "Leaf Note"—let every record be a stepping stone to growth.
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Verdict
The clearest difference is rating: PrivScanner at 5.0 against Leaf Note's 4.0. Leaf Note's advantage is monetization model (free vs freemium). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PrivScanner sells 3 in-app purchases, starting at $2.99 per month and Leaf Note sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
PrivScanner holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
PrivScanner ships an update monthly, Leaf Note every 3 weeks. The most recent releases landed on September 2, 2026 and September 9, 2026 respectively.
| Parameter | PrivScanner | Leaf Note |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 楚云 徐 | 守恒 王 |
Customer experience
PrivScanner
Leaf Note
In-app purchases
PrivScanner
- Pro_Monthly3 Days trial$2.991 Month
- Pro_Annual3 Days trial$17.991 Year
- Pro_Lifetime$29.99
Leaf Note
- One Year Pro$3.99
- Lifetime Pro$24.99









