Privacy Policy

This Privacy Policy explains how Duello ("we," "us," "the App") collects, uses, and protects your information when you use our mobile application. Duello is a same-room multiplayer language-learning party game.

1. Who We Are

Duello is developed and operated by an individual developer (the "Developer"). For privacy-related questions, contact:

This policy is intended to comply with the EU General Data Protection Regulation (GDPR) and applicable Spanish data protection law.

2. Information We Collect

Type	Examples	Why
Account info	Email address, name, profile photo (via Google Sign-In or email signup)	To create and manage your account
Game data	Scores, win streaks, match history, room codes	To run gameplay and show stats
Device/usage data	Device type, OS version, crash logs, IP address	App functionality and debugging
Advertising data	Ad interaction data (via Google AdMob)	To show ads to players

We do not knowingly collect sensitive personal data (e.g., health, religion, political views).

3. How We Use Your Information

• To create and authenticate your account
• To run real-time multiplayer gameplay (via WebSocket connections)
• To save and display your stats and game history
• To display advertisements to players (Google AdMob)
• To fix bugs and improve the App
• To communicate important updates

4. Third-Party Services

Duello uses these third-party services, each with its own privacy policy:

• Google Sign-In — authentication
• Google AdMob — in-app advertising
• Pusher / Laravel Echo (WebSockets) — real-time game communication
• Google Cloud — backend infrastructure

5. Data Sharing

We do not sell your personal data. We share data only with the third-party service providers listed above, as needed to operate the App, or with authorities if legally required.

6. Data Retention

We retain your account and game data for as long as your account is active. You can request deletion at any time (see Section 8).

7. Children's Privacy

Duello is intended for users 13 years of age and older. We do not knowingly collect data from children under 13. If you believe a child under 13 has provided us data, contact us and we will delete it.

8. Your Rights (GDPR)

If you are in the EU/EEA, you have the right to:

• Access the personal data we hold about you
• Correct inaccurate data
• Request deletion of your data ("right to be forgotten")
• Object to or restrict processing
• Request data portability
• Withdraw consent at any time

To exercise these rights, contact us below.

9. Data Security

We use reasonable technical and organizational measures to protect your data. No method of transmission or storage is 100% secure.

10. International Transfers

Your data may be processed in countries outside the EU/EEA (e.g., by Google's services). We rely on appropriate safeguards (such as Standard Contractual Clauses) for such transfers.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Material changes will be notified in-app or via email.

12. Contact

Questions about this policy?