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LapGenius is a mobile Android application created to assist users in making smarter decisions when purchasing used laptops, particularly in the Bosnia and Herzegovina market.
The application automatically retrieves listings from OLX.ba and uses artificial intelligence to generate detailed, easy-to-understand reviews based on hardware specifications, price, usage scenarios and visual information.
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Finding a reliable used laptop at a fair price often requires extensive searching, comparison and technical analysis. Many users do not have the experience to judge listings based on titles, vague specifications or outdated hardware naming conventions. LapGenius solves this by analyzing each listing with the help of language models and structuring the result into a scorecard and personalized review.
You can use LapGenius to:
- Browse OLX.ba listings inside the app and view AI-generated summaries
- Evaluate if a laptop is suitable for your workload (study, productivity, gaming, etc.)
- Save devices to favorites and build a short list for later comparison
- Compare two laptops directly and receive a side-by-side analysis with a recommended option
- Track trending listings and best deals via the leaderboard
- Build your own profile with credits, badges, preferences and a favorite brand list
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🔍 OLX.ba Integration
Automatically fetches listing title, price, location, hardware specs and images via API -
🧠 AI-Powered Laptop Review Generator
Uses advanced language models to generate custom insights including battery expectations, CPU-GPU balance, gaming potential, upgradability and more -
❤️ Favorites System
Save laptops to your personal favorites panel, with a slot limit based on your credit usage -
📊 Laptop Comparison
Compare two saved laptops and receive a detailed AI-generated comparison, with arguments and a final recommendation -
🏅 Leaderboard
Displays top-rated listings based on cost-performance ratio, and highlights most active users in the app -
👤 Profile and Gamification
Track your activity, earn badges for engagement, buy credits or unlock new review slots, change avatar and favorite laptop brands -
🔔 Notification System
Push messages for motivational quotes, usage tips, system updates and reminders
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 Full Demo Showcase |
| Category | Tools and Services |
|---|---|
| Platform | Android (minimum SDK 23, recommended Android 9.0+) |
| Programming Language | Java |
| Architecture | MVVM (Model-View-ViewModel) |
| IDE | Android Studio Narwhal 2025.1.1 Patch 1 |
| Database | Firebase Realtime Database |
| Authentication | Firebase Authentication |
| AI Models | OpenRouter API with DeepSeek R1T2 Chimera and Qwen2.5 VL 72B |
| External APIs | OLX.ba REST API, OpenStreetMap, RAWG.io, MyMemory (translation) |
🥇 1st Place Winner — IPIA’s 2nd App Challenge (2025)
Awarded for innovation, usability and real-world impact in applied mobile development.
LapGenius was awarded 1st place at IPIA’s 2nd App Challenge in 2025. The competition was open to all students of the university, with LapGenius selected as the winning project based on its functionality, design and practical impact.
This project reflects months of planning, design, as well as iteration and I am just getting started. If you have suggestions, ideas or would like to collaborate, feel free to open an issue or contact me directly.
Thank you for checking out LapGenius.