LinkGuard is a mobile security-focused application built with React Native and Expo that helps users quickly determine whether a URL or QR code is safe or potentially dangerous.
The app is designed to be fast and accessible: users can analyze links instantly without creating an account. Authentication is optional and only required for advanced features such as viewing analysis history.
-URL analysis – Paste a link and instantly check if it’s safe
-QR code scanning – Scan QR codes and analyze the extracted URL
-Clear risk feedback – Visual indicators for safe vs dangerous links
-Analysis history – Stored locally or linked to a user account
Modern UI – Clean
Technical Highlights
Built with React Native + Expo
File-based routing using Expo Router
Clean and scalable architecture
This project was created as a portfolio application to demonstrate:
Mobile app development skills
Clean architecture and code organization
Integration with external security APIs
Professional development workflow using Git and GitHub
React Native
Expo
Expo Router
TypeScript
Firebase
📦 Installation & Run
npm install npx expo start
https://expo.dev/accounts/andrey_003/projects/linkguard/builds/7f6b0b7f-4b0f-4cb9-9a4b-3f2fe47d2549
