OSS Document Scanner vs Numby Pro

OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner. SCAN * Scan your documents or receipts with a fast camera scan. * Enjoy the automatic edge detection feature allowing you to quickly scan many documents * Bulk scan documents or book pages * Import documents from images or even existing PDF * You can scan to PDF any kind of document: Receipts, IDs, notes, recipes, photos, business cards, whiteboards, books. You can then use and work with the generated PDFs on all your devices, phones, computers, tablets... ENHANCE * Improve PDFs quality by applying enhancing filters for color or black & white documents. * Edit crop * Reorder pages, merge documents * Rotate pages * Change brightness and contrast to create beautiful documents ORGANIZE * Create folders with colors for easy access * Sort documents * Name documents EXPORT * create PDF directly from your mobile device by converting photos, images, other documents, into beautiful and configurable PDFs. * export and share your documents to PDF or JPEG or PNG with your friends, family, colleagues SEARCH * OCR your documents using offline (to be downloaded first) and open source models in many languages. * Generate searchable PDFs by converting images to text using the powerful OCR models from the Tesseract project. SECURITY * Improve the security of your generated PDF by adding a password. SYNC * Synchronize your documents, PDFs, Images with your computers, other devices or local folder sync. * Sync to WebDAV, Google Drive or OneDrive PRIVACY * Use a free and Open Source document scanner to protect your privacy COMMUNITY * Provide feedback or even help translate the app. You are part of this project and you make help it grow so that everyone can enjoy the best free and open source document scanner

Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place. What makes Numby special: Calculate Naturally Write "100 USD to EUR" or "5 meters to feet" - no complicated syntax. Numby understands what you mean. Share Anywhere Export calculations as beautiful images, plain text, or shareable web links. Perfect for sharing work with colleagues, posting to social media, or saving for reference. Variables & History Store values, reference them later, and keep a complete history of your calculations. Perfect for complex multi-step problems. 300+ Currencies Real-time conversion for fiat and cryptocurrencies. Rates update automatically and work offline. Unit Conversion Length, distance, and more - convert between units with simple, natural commands. Smart Percentages "20% of 500" or "100 + 15%" - calculate tips, discounts, and taxes effortlessly. File Support Save your calculation sheets as .numby files. Great for budgets, project estimates, or recurring calculations. Multilingual Full support for English, Spanish, Chinese, German, French, Japanese, Russian, and Belarusian. Perfect for: - Quick daily calculations - Financial planning and budgeting - Unit conversions for travel or work - Students and professionals - Sharing calculations with teams - Anyone who wants a smarter calculator Features: • Natural language input • Share as image, text, or web link • Variable storage and reuse • 300+ currency conversions • Automatic currency rate updates • Comprehensive unit conversion • Calculation history • Save and load calculation files • Syntax highlighting • Comment support for notes • Clean, native interface Whether you're calculating tips, converting currencies while traveling, sharing results with your team, or working through complex calculations, Numby makes it simple. No tracking, no data collection. Your calculations stay on your device.