Privacy Policy

1. Introduction

At FoxiesDeck, we respect your privacy. This Privacy Policy explains what data we collect, how we use it, and how we protect your rights when you use the Service.

2. Data We Collect

To provide the Service, we may collect the following data:

• Account information: email address, display name, password (hashed);
• Usage data: created cards, quiz results, points, rank progress;
• Preference data: interface language, learning language, starting tier;
• AI practice data: chat messages and translation requests (processed temporarily, not stored permanently);
• Technical data: IP address, browser information, cookies.

3. How We Use Data

We use your data to:

• Create and manage your account;
• Track your learning progress;
• Operate the AI practice feature;
• Keep the Service secure and stable;
• Comply with legal obligations.

4. Third Parties

Your data may be shared with the following trusted third parties:

• Supabase: authentication and database infrastructure;
• OpenAI: AI practice chat and translation responses;
• LemonSqueezy: subscription billing and payment processing;
• Vercel: application hosting.

5. Data Retention

We retain your data while your account is active. When you delete your account, personal data and associated progress records are removed within a reasonable period. Some data may be retained longer if required by law.

6. Security

We use industry-standard measures to protect your data. However, no transmission over the internet is 100% secure.

7. Your Rights

You may have rights to access, correct, delete, or object to the processing of your data. Contact us at foxiesdeck@outlook.com for requests.

8. Cookies

For more information, see our Cookie Policy.

9. Contact

Contact us with privacy questions at foxiesdeck@outlook.com.