Privacy Policy – Carbon Diary
Carbon Diary ("we", "our", or "the app") respects your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application.
1. Information We Collect
We may collect the following information:
- Anonymous User ID
- Age (optional demographic information)
- Daily activity logs (travel, waste, eating, shopping)
- Carbon emission data (CO₂ calculations and breakdown)
- App usage statistics (app opens, total logs)
- Eco-score and sustainability performance data
We do not collect your name, email address, phone number, or precise personal identity information.
2. How We Use the Information
- Calculating daily carbon emissions
- Generating eco-scores and sustainability feedback
- Monitoring user engagement and application performance
- Academic research and behavioral analysis (if applicable)
3. Data Storage
- Locally on your device (SQLite storage)
- On secure cloud databases (MongoDB server infrastructure)
We implement reasonable security measures.
4. Third-Party Services
Carbon Diary uses Google Maps API for route and distance calculations.
5. Data Sharing
We do not sell, rent, or trade user data.
Data may be analyzed in aggregated, anonymized form for research purposes.
© 2026 Carbon Diary | Academic Sustainability Project