NoteVault

NoteVault is a cross-platform mobile application built with React Native (Expo) and Node.js (TypeScript). It helps users store notes and manage to-do lists efficiently with end-to-end encryption. The app provides a smooth, intuitive interface for note-taking and task management, synced with a backend API.

🌐 Web App

Visit our promotional website and explore NoteVault online:

🌐 NoteVault Web App

📱 Download the App

Google Play Store

Download NoteVault from the Google Play Store:

📲 Get it on Google Play

Android APK

Download the latest Android build directly:

📥 Download NoteVault.apk

Or scan this QR code to download:

Expo Build

View the build on Expo:

🔗 Expo Build Link

📋 Table of Contents

Web App
Features
Project Structure
Technologies Used
Installation
- Backend Setup
- React Native App Setup
Running the App
API Endpoints
Environment Variables
Scripts
Contributing
License
Important Links

✨ Features

🔐 User authentication (signup/login)
🔒 End-to-end encryption for notes and todos
📝 Create, update, delete notes
✅ Add, update, delete to-do items
✔️ Mark to-dos as completed
🗂️ Sort and organize notes and tasks
🌓 Light & Dark mode support
📱 Responsive UI for different screen sizes
🔄 Real-time sync with backend API
🔍 Search functionality for notes
📌 Pin important notes
📊 Multi-color avatars for users
📢 In-app ads to support ongoing development

📁 Project Structure

NoteVault/
│
├── backend/                    # Node.js backend
│   ├── src/
│   │   ├── controllers/        # Request handlers
│   │   ├── models/             # Database models
│   │   ├── routes/             # API routes
│   │   ├── middleware/         # Auth & validation middleware
│   │   ├── utils/              # Helper functions
│   │   └── app.ts              # Express app setup
│   ├── public/
│   │   └── apk/
│   │       └── NoteVault.apk   # Latest Android build
│   ├── package.json
│   ├── tsconfig.json
│   └── .env.example
│
├── react-native-app/           # React Native (Expo) frontend
│   ├── app/                    # App screens & navigation
│   ├── components/             # Reusable UI components
│   ├── context/                # React Context for state
│   ├── api/                    # API service functions
│   ├── lib/                    # Library files (api.tsx)
│   ├── assets/                 # Images, fonts, etc.
│   ├── package.json
│   └── tsconfig.json
│
└── LICENSE                     # License file

🛠️ Technologies Used

Frontend (React Native)

React Native with Expo
TypeScript
React Navigation (for routing)
React Context API (state management)
Redux Toolkit (advanced state management)
Axios (HTTP client)
NativeWind / Tailwind CSS (styling)
React Native Paper (Material Design components)
Expo Vector Icons

Backend (Node.js)

Node.js with Express
TypeScript
MongoDB with Mongoose (database)
JWT (authentication)
bcrypt (password hashing)
dotenv (environment configuration)
express-validator (input validation)
Nodemailer (email functionality)

📦 Installation

Prerequisites

Node.js (v16 or higher)
npm or yarn
MongoDB (local or cloud instance)
Expo CLI (npm install -g expo-cli)

Backend Setup

Navigate to the backend folder:
```
cd backend
```
Install dependencies:
```
npm install
```

Create a .env file in the backend directory:

PORT=5000
MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_secret_key
JWT_EXPIRES_IN=7d
SMTP_HOST=your_smtp_host
SMTP_USER=your_smtp_user
DEV_EMAIL=your_dev_email
SMTP_PASS=your_smtp_password
SMTP_PORT=587
SMTP_SECURE=false

Start the backend server:
```
npm run dev
```
The server should now be running on http://localhost:5000

React Native App Setup

Navigate to the React Native app folder:
```
cd react-native-app
```
Install dependencies:
```
npm install
```
Update the lib/api.tsx file in the react-native-app directory with your backend URL:
```
baseURL: "http://localhost:5000";
```
Start the Expo development server:
```
npm start
```
Use the Expo Go app on your mobile device to scan the QR code, or run on an emulator:
- iOS Simulator: Press i
- Android Emulator: Press a

🚀 Running the App

Option 1: Download Pre-built APK (Android Only)

Download the APK from the link above
Install it on your Android device
Open NoteVault and start using!

Option 2: Run from Source

Start the Backend Server:
```
cd backend
npm run dev
```
Start the React Native App:
```
cd react-native-app
npm start
```
Open the app:
- Scan the QR code with Expo Go on your mobile device
- Or run on an iOS Simulator or Android Emulator
You can now create notes and manage to-do lists in real-time! 🎉

🌐 API Endpoints

Authentication

Method	Endpoint	Description
POST	`/auth/signup`	Register a new user
POST	`/auth/login`	Login user and return JWT token

Notes

Method	Endpoint	Description
POST	`/notes/create`	Create a new note
GET	`/notes/get`	Get all notes for user
PATCH	`/notes/update`	Update a note by ID
DELETE	`/notes/delete`	Delete a note by ID

Todos

Method	Endpoint	Description
POST	`/todo/create`	Create a new todo
GET	`/todo/get`	Get all todos for user
PATCH	`/todo/update`	Update a todo by ID
DELETE	`/todo/delete`	Delete a todo by ID

🔑 Environment Variables

Backend (`.env`)

PORT=5000
MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_secret_key
JWT_EXPIRES_IN=7d
SMTP_HOST=your_smtp_host
SMTP_USER=your_smtp_user
DEV_EMAIL=your_dev_email
SMTP_PASS=your_smtp_password
SMTP_PORT=587
SMTP_SECURE=false

Note: For production, update lib/api.tsx to your deployed backend URL.

📜 Scripts

Backend Scripts

npm run dev      # Start development server with nodemon
npm run build    # Compile TypeScript to JavaScript
npm start        # Run compiled JavaScript (production)
npm run lint     # Run ESLint

React Native App Scripts

npm start        # Start Expo development server
npm run android  # Run on Android emulator/device
npm run ios      # Run on iOS simulator
npm run web      # Run on web browser

🤝 Contributing

Contributions are welcome! Please follow these steps:

Fork the repository
Create a new branch:
```
git checkout -b feature/YourFeature
```
Make your changes
Commit your changes:
```
git commit -m 'Add some feature'
```
Push to the branch:
```
git push origin feature/YourFeature
```
Open a Pull Request

📄 License

This project is licensed under the PixelMint Limited Use License (2026).

You may use this software for personal and non-commercial purposes only.
Any commercial use, resale, or monetization is strictly prohibited.

See the LICENSE file for full terms.

🔗 Important Links

🌐 NoteVault Web App - Promotional website
📜 Terms of Service - Terms and conditions
🔒 Privacy Policy - Privacy policy
ℹ️ About Us - Learn more about NoteVault
📧 Contact - Get in touch with us

🔐 Security & Privacy

NoteVault is built with security and privacy as top priorities:

End-to-end encryption - All notes and todos are encrypted before being stored
Secure storage - Your data is protected with industry-standard encryption
Privacy-focused - We don't collect or share your personal data
Ad-supported - In-app ads help us maintain and improve the app while keeping your data private

📧 Contact

For questions or feedback, feel free to reach out:

Email: pixelmint.mail@gmail.com
GitHub: MoinMN
Website: notevault.moinnaik.bio

🙏 Acknowledgments

Built with ❤️ by PixelMint
Powered by React Native and Expo
Backend by Node.js and MongoDB

NoteVault – Keep your notes and to-dos organized and secure, always. 🔒✨

Name		Name	Last commit message	Last commit date
Latest commit History 66 Commits
backend		backend
frontend		frontend
react-native-app		react-native-app
LICENSE		LICENSE
README.md		README.md

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MoinMN/NoteVault

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