Privacy Policy
Effective date: March 5, 2026
CO2Mate ("we", "our", or "the app") is operated by DJUMP, MB. This Privacy Policy explains how we collect, use, and protect your information when you use CO2Mate.
1. Information We Collect
| Data Type | Purpose |
|---|---|
| Email address | Account creation and authentication |
| Display name | User profile display within the app |
| Carbon activity logs | Core functionality — tracking your daily CO2 emissions by category |
| Push notification token | Sending eco reminders and tips (opt-in only) |
| Device information | Analytics to improve app experience (via Mixpanel) |
2. Information We Do Not Collect
- We do not collect payment or credit card information. All payments are processed by Apple (App Store) or Google (Google Play) through RevenueCat.
- We do not collect or share your environmental data with third parties. Your carbon footprint records are private and accessible only to you.
- We do not collect location data, contact lists, or photos.
3. How We Use Your Information
- To provide core app functionality (logging activities, calculating CO2, displaying reports and comparisons)
- To authenticate your account and sync data across devices
- To store your activity history so you can track trends and progress
- To send push notification reminders you have opted into
- To analyze app usage patterns and improve the user experience
4. Data Storage and Security
Your data is stored securely using Supabase with row-level security (RLS), meaning only you can access your own carbon footprint records. All data is transmitted over HTTPS. We use industry-standard security practices to protect your information. We do not sell, rent, or share your personal data with third parties for marketing purposes.
5. Third-Party Services
- Supabase — Authentication, database hosting, and data storage with row-level security
- RevenueCat — Subscription and payment management (processes payments through Apple/Google)
- Mixpanel — Anonymous usage analytics to improve app experience
- Apple / Google — OAuth sign-in providers and payment processing
6. Your Rights
You may request to view, update, or delete your personal data at any time. You can delete your account directly within the app under Settings, which will permanently remove all your carbon activity logs and personal information. You can also contact us at support@co2mate.app for any data-related requests.
7. Children's Privacy
CO2Mate is not intended for children under 13. We do not knowingly collect personal data from children under 13. If you believe a child under 13 has provided us with personal information, please contact us so we can remove it.
8. Data Retention
We retain your data for as long as your account is active. If you delete your account, all associated data (activity logs, profile information, settings) is permanently deleted from our servers. Anonymous, aggregated analytics data may be retained for product improvement purposes.
9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes through the app or by updating the effective date above.
10. Contact Us
If you have questions about this Privacy Policy, contact us at:
support@co2mate.app