DocuMind AI – Flutter PDF Chat OCR Scanner App

DocuMind AI is a cutting-edge, cross-platform Flutter application designed to revolutionize how people interact with documents. Using advanced AI (OpenAI GPT-4), users can upload PDFs, extract text from images using OCR (Optical Character Recognition), and instantly ask questions to get intelligent summaries, translation, and answers directly based on the document’s content.

It’s not just a utility app—it’s a fully-fledged business in a box. Pre-integrated with RevenueCat for seamless, cross-platform in-app subscriptions, and Google AdMob for flexible ad monetization, you can start generating revenue from day one.

Premium App Features

• Chat with PDF: Upload any PDF (up to your configured limit) and have a conversational AI seamlessly pull answers straight from the text.
• Advanced OCR Scanner: Powered by Google ML Kit. Snap a photo of a receipt, book, or sign, extract the text instantly, and ask the AI questions about it.
• AI Quiz Generation: Instantly transform any document into an interactive multiple-choice quiz to test knowledge—perfect for students and professionals.
• Real-time AI Chat Interface: A clean, responsive chat UI built carefully to mimic premium AI assistants like ChatGPT.
• Beautiful Dark/Light Mode: Professionally designed UI with smooth animations and user-selectable dark and light themes.
• Secure Authentication: Email/Password + Google Sign-in enabled securely via Firebase Auth.
• ️ Folder Organization: Create custom folders to organize your documents. Move documents between folders and keep your library clean and structured.
• Multi-Document Chat: Select and chat with multiple documents at once. Ask questions that span across several PDFs and get comprehensive AI-powered answers from all selected sources.
• AI Flashcard Generation: Automatically generate study flashcards from any document. Track your learning progress with built-in progress tracking — perfect for exam prep and memorization.
• ️ Admin Panel (Web): A full web-based admin dashboard to manage users, documents, subscriptions, and analytics. Deployed to Firebase Hosting. Includes user CRUD, content oversight, remote configuration, and audit-logged admin Cloud Functions.

Built for Developers & Entrepreneurs

• RevenueCat Integrated: The gold standard for Flutter subscriptions. Manage your Pro tier monthly/yearly subscription plans effortlessly across iOS and Android without writing messy native bridge code.
• AdMob Ready: Monetize free users immediately with pre-configured Banner and Interstitial Ads that automatically hide when a user buys a Pro subscription.
• Firebase Backend: Uses Firestore for highly-scalable NoSQL database storage and Firebase Storage for handling document uploads.
• ☁️ Secure Cloud Functions: Your OpenAI API key is never exposed in the app code. All AI calls route securely through Firebase Cloud Functions (Node.js).
• Clean Architecture: Built with Riverpod for robust state management and GoRouter for clean, predictable navigation.

What’s Included?

1. The complete Flutter Source Code (iOS & Android).
2. The Firebase Cloud Functions (Node.js) code to secure your OpenAI API calls.
3. Comprehensive, beautifully formatted HTML Documentation (+ Quick Start Guide) walking you step-by-step through configuration.

⚠️ Important Requirements Before Purchasing:

• A free Firebase Account (must upgrade to the ‘Blaze’ Pay-as-you-go plan to use Cloud Functions, though Google’s free tier covers basic development).
• An active OpenAI Developer Account with a funded API Key to process AI requests.
• Basic knowledge of Flutter, Dart, and Firebase.