Privacy Policy

1. Introduction

ZenFuel ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use zenfuel.app.

By using ZenFuel, you agree to the collection and use of information as described in this policy.

2. Information We Collect

Information you provide

• Email address (when you create an account)
• Name (optional, when provided during signup)
• Usage preferences and app settings

Information collected automatically

• Dopamine score, streak data, and habit logs you enter
• Device type and browser information
• App usage patterns (pages visited, features used)
• Date and time of access

Information we do NOT collect

• We do not access your phone's other apps or screen time
• We do not read your messages or contacts
• We do not collect payment card details (handled securely by Razorpay)

3. How We Use Your Information

We use the information we collect to:

• Provide and maintain the ZenFuel service
• Save your progress, streak, and dopamine score
• Send you check-in reminders and progress notifications (only if you enable them)
• Improve the app based on usage patterns
• Respond to your support requests
• Process payments for premium subscriptions

4. Data Storage

Your app data (streak, score, logs, habits) is stored:

• Locally on your device when not logged in
• Securely in our database (Supabase) when you create an account

We use Supabase (supabase.com) as our database provider. Your data is encrypted at rest and in transit using AES-256 and TLS encryption standards.

5. Data Sharing

We do not sell, trade, or share your personal information with third parties except:

• Supabase — database storage (data processor)
• Razorpay — payment processing (for premium subscriptions)
• Vercel — app hosting (infrastructure provider)
• Google Analytics — anonymous usage analytics
• Law enforcement — only if required by applicable law

These third parties are only given access to data necessary to perform their services.

6. Cookies

ZenFuel uses essential cookies to:

• Keep you logged in between sessions
• Remember your app preferences (dark mode, language)

We use Google Analytics which sets anonymous tracking cookies. You can disable cookies in your browser settings, though this may affect some app functionality.

7. Your Rights

You have the right to:

• Access — request a copy of your personal data
• Correction — update or correct your information
• Deletion — request deletion of your account and all data
• Portability — export your data in a readable format
• Opt-out — unsubscribe from notifications at any time

8. Data Retention

We retain your data for as long as your account is active. If you delete your account, all personal data is permanently deleted within 30 days. Anonymous usage analytics data may be retained longer.

9. Children's Privacy

ZenFuel is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us at zenfuel.support@gmail.com.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the "Last updated" date at the top of this page. Continued use of the app after changes means you accept the updated policy.

11. Contact